A
Angleball
Angleball Uses Another Sports Ball?
American Angleball – https://www.angleball.net/angleball-rules
Wikipedia – https://en.wikipedia.org/wiki/Angleball
Handball USA – https://handball-usa.com/understanding-handball-equipment-regulations-rules-and-requirements-for-players/
Photo – https://www.angleball.net/
B
Badminton
Shuttlecock, The Ball of Badminton
Shuttlecock Rules – https://www.shuttlecock-world.org/_files/ugd/4576f4_3a77621069c443d68aa65f5740e4dd21.pdf
Bandy
This Isn’t Hockey This Is Bandy
Bandy Playing Rules – https://worldbandy.com/wp-content/uploads/dlm_uploads/2024/12/FIB-OFFICIAL-RULE-BOOK-2023-2024.pdf
Photo – https://hockeygods.com/hockeys/15-Bandy
Baseball
Little League Baseball – Strikeout
https://www.littleleague.org/partnerships/licensing/baseball-softball-approval-process/
Photo – www.derbylittleleague.com
Little League Challenger Division® Adapts to Players
https://www.littleleague.org/play-little-league/challenger/
Major League Baseball Drives it Home
Major League Baseball Rule 3.01 – https://mktg.mlbstatic.com/mlb/official-information/2025-official-baseball-rules.pdf
Play Ball Babies
T-ball USA Rules – https://teeballusa.org/rules.asp
Basketball
3×3 Ball has an Official Ball
Official 3×3 Basketball Rules – https://fiba3x3.com/docs/fiba-3×3-basketball-rules-full-version.pdf
Official 3×3 Basketball Equipment & Software – https://fiba3x3.com/docs/equipment-and-software-appendix-to-the-3×3-official-rules.pdf
Photo – https://fiba3x3.com/en/ball.html
FIBA Has Detailed Rules
International Basketball Federation – https://fiba.com
Official Basketball Rules 2024 – Equipment – https://assets.fiba.basketball/image/upload/documents-corporate-fiba-official-rules-2024-official-basketball-rules-and-basketball-equipment.pdf
Photo – www.kickstarter.com/projects/shootersrev/evo-onetm-sensorized-basketball-performance-techno
NBA Chooses Pressure
Official Rules of the NBA – https://official.nba.com/rule-no-1-court-dimensions-equipment/
Photo – www.matchwinner.co.uk/ball-pressure-gauge.html
Women’s College Basketball
Basketball ‘Ball’ Rules for College Women – https://www.ncaapublications.com/productdownloads/WBR27.pdf
Photo – www.sjcbears.com/sports/wbkb/2013-14/releases/20140218w4h25n
Men’s College Basketball
NCAA Basketball Men’s ‘Ball’ Rules – https://www.ncaapublications.com/productdownloads/BK24-20231127.pdf
NAIA Basketball Men’s ‘Ball’ Rules – https://www.naia.org/pdf/MBB_Coaches_Manual_FULL.pdf
WNBA Goes with Weight and Circumference
Womens National Basketball Association – https://cdn.wnba.com/sites/4/2025/04/2025-WNBA-Official-Rule-Book.pdf
Photo – www.oddsshark.com/wnba
Beer Pong
Beer Pong (21 and Older)
Rules & Photo – https://bpong.com/wsobp/official-rules-of-the-world-series-of-beer-pong
Billiards
American-style Pool
World Pool Association’s World-Standardized Rules – https://wpapool.com/rules/#rulesofplay
Photo – commons.wikimedia.org/wiki/File:Billiards_and_snookers.jpg
English Snooker Balls are not Numbered
International Billiards and Snooker Federation – ibsf.info
Photo – https://www.cameralabs.com/forum/viewtopic.php?t=12741&view=previous
Bocce
Bocce Ball Uses not 1 but 8 balls
Special Olympics Rules – https://media.specialolympics.org/resources/sports-essentials/sport-rules/Sports-Essentials-Bocce-Rules-2024.pdf
Photo – https://www.eastpointsports.com/
Bossaball
Bossaball Kicks It Up A Notch
Bossaball Sports SL – https://www.bossaballsports.com/portfolio-item/rules-of-sport/
Photo – akbrightgirl.blogspot.com
Bowling
Attack of the Bowling Balls! Scary!!!
NCAA Bowling Rules and Interpretations – https://www.ncaapublications.com/productdownloads/WB25.pdf
Photo – en.wikipedia.org/wiki/Bowling_ball2.1 Bowling Balls for Competition
Candlepin Bowling
International Candlepin Bowling Association (ICBA) specifications – https://www.candlepinbowling.com/assets/files/lanesanc_and_specs.pdf
Photo – https://boston.jumpshell.com/how-to/living-in-boston/fun-facts-about-boston
Professional Bowlers Association Specifies Maximum Size and Weight
Professional Bowlers Association – www.pba.com
Bowling Ball Specifications – https://www.pba.com/sites/pba/files/2025-01/PBA%20RULE%20BOOK%202025_Final_1-14-25.pdf
Photo – https://www.shutterstock.com/video/clip-2610743-two-people-bowling
C
Camogie
Camogie Calls it a Sliotar
Official Playing Rules – https://camogie.ie/wp-content/uploads/2025/06/Part-2-Official-Guide-23-05-25-A4-.pdf
Wikipedia – https://en.wikipedia.org/wiki/Camogie
Photo – https://ulstercamogie.com/
Cricket
Cricket Ball Physical Specifications Rooted in MCC’s Laws of Cricket
Marylebone Cricket Club – www.lords.org/mcc/
Law 5. The Ball – www.lords.org/mcc/laws-of-cricket/laws/law-5-the-ball/
High School Cricket Ball is 9 Inches in Circumference
United States of America Cricket Association – www.usaca.org
Cricket Rules and Regulations – www.icc-cricket.com/about/91/rules-and-regulations/overview
International Cricket Council Adopts MCC Rules for Ball’s Physical Specifications
International Cricket Council – www.icc-cricket.com
MCC Laws of Cricket – www.lords.org/mcc/laws-of-cricket/
USA Men’s Cricket Championship
United States of America Cricket Association – https://usacricket.org/
Cricket Rules and Regulations – https://usacricket.org/wp-content/uploads/2021/10/ICC-Playing-Handbook-2019-2020-Digital-FINAL.pdf
Photo – https://usacricket.org/photos/mens-national-championships-day-3/
USA Women’s Cricket Championship
United States of America Cricket Association – https://usacricket.org/
Cricket Rules and Regulations – https://usacricket.org/wp-content/uploads/2021/10/ICC-Playing-Handbook-2019-2020-Digital-FINAL.pdf
Photo – https://usacricket.org/photos/game-2-vs-canada-at-2021-icc-womens-t20-world-cup-americas-qualifier/
Croquet
Croquet
http://www.croquetamerica.com/croquet/rules/american/introduction.php#theballs
Photo – http://www.meadowood.com/sports/croquet
http://www.ehow.com/how_3111_play-croquet.html
Disney Gives Life to Lewis Carroll’s Croquet Match
YouTube Link – https://www.youtube.com/watch?v=PQBBMtWyMNk
Photo – http://galleryhip.com/alice-in-wonderland-croquet.html
Gateball – A Fast-Paced Games
World Gateball Union Official Gateball Rules – http://gateball.or.jp/jguweb/wgu/officialrules/file/World_Gateball_Union_Official_Gateball_Rules_2011.pdf
Photo – www.prefeitura.sp.gov.br
Curling
Curling, Not Just for Hair
Olympics: Curling Equipment and History – http://www.olympic.org/curling-equipment-and-history
World Curling Federation – http://www.olympic.org/wcf
World Curling Federation Rules and Regulations – http://www.worldcurling.org/rules-and-regulations
Photo – http://canuckscorner.com/forums/viewtopic.php?f=8&t=9827
D
Dodgeball
Dodge, Duck, Dip, Dive, Dodge…Dodgeball!
National Dodgeball League – http://www.thendl.com/thendl-dodgeball-101.asp
Photo – http://www.slideshare.net/smithcdau/kaizen-with-greenhopper-visualising-agile-kanban-storywalls
E
F
Field Hockey
High School Field Hockey Ball Must be Solid Color
National Federation of State High School Associations – www.nfhs.org
Indoor Field Hockey Ball Same as Outdoor
USA Field Hockey – www.teamusa.org/usa-field-hockey
International Hockey Federation – www.fih.ch/en/home
Olympic Field Hockey Ball Feels Heavier than 5.75 Ounces
USA Field Hockey – www.teamusa.org/usa-field-hockey
International Hockey Federation – www.fih.ch/en/home
Fistball
Fistball is Similar to Volleyball
International Fistball Association – http://www.ifa-fistball.com/en/1-hauptmenuepunkt/rules
Photo – web.pts.org.tw
Floorball
Floorball
USA Floorball – http://www.usafloorball.org/about-floorball/what-is-floorball/
Photo 1 – http://www.blau-weiss-aasee.de/?c=pages&i=278
Photo 2 – http://floorballca.com/proddetail.php?prod=51000
Flyball
Lets Get The Dogs in Here!
Flyball Rulebook – http://flyball.org/rules/rulebook.pdf
Photo – http://www.lightningstrikesflyballteam.co.uk
Foosball
Foosball – One Size Does Not Fit All
Foosball Official Ball Size – http://foosball.com/forum/index.php?topic=2685.0
Photo – www.marketsmithinc.com
Football
Australian Football League Uses a Symmetrical Oval Shaped Ball
Australian Football League – www.afl.com.au
Laws of Australian Football 2008 – www.aflrules.com.au/afl-game-rules
Football With a White Stripe for NCAA
NCAA College Rules and Interpretations – www.dfoa.com/attachments/article/69/2013-14_Football_Rule_Book.pdf
Photo – http://www.komu.com/news/assault-on-mo-football-field-draws-probation/
NFHS Determines Rules for Most High School Football
National Federation of State High School Associations – www.nfhs.org
NFL Footballs – 36 for Outdoor Games and 24 for Indoor Games
The NFL Rules Digest – www.nfl.com/rulebook/digestofrules
Royal Shrovetide Football
Shrovetide Official Website – http://www.shrovetide.net
Photo – laurapage.co.uk
FootVolley
Look Ma! No Hands!
Official Rules of FootVolley – http://www.footvolley.gr/webfiles/rules_en.phpPHPSESSID=6e65fe88c76bce896f4746699333ca2b
Photo – http://www.futevolei4x4.com/2012/?293&lang=en
Four Square
Four Square – Not Just for Kids
Rule – http://www.squarefour.org/gear
G
Golf
Golf Balls
United States Golf Association – www.usga.org/default.aspx
Mini Golf – “Fore!”
http://www.minigolfsport.com/rules/2_3.pdf
Photo – www.wildernessresort.com
H
Half-Rubber
Just A Day At The Beach
Half-Rubber – http://www.halfrubber.com/index.php?option=com_content&task=view&id=21&Itemid=31
Photo – http://dining.savannahnow.com/news/2007-07-13/whole-lot-fun-halves
Handball
Court Handball Has Rules for Broken Balls
US Handball Association – www.ushandball.org
Photo – http://www.frankiemail.com/2012_05_01_archive.html
USHA Rules for Court Handball
US Handball Association – www.ushandball.org
Photo – http://www.ushandball.org/component/option,com_acajoom/act,mailing/task,view/listid,14/mailingid,898/Itemid,412/
Handball – Not Against a Wall
Official Olympic Website – www.olympic.org
International Handball Federation – www.ihf.info
Photo – http://handball.wiinz.com/index.php/component/content/article/19-sample-data-articles/joomla/8-beginners
One-Wall Handball Rules for Balls Same as Court Handball
US Handball Association – www.ushandball.org
Photo – www.balleaumur.qc.ca/accueil-en.html
USHA Rules for Court Handball
US Handball Association – www.ushandball.org
Photo – http://www.ushandball.org/component/option,com_acajoom/act,mailing/task,view/listid,14/mailingid,898/Itemid,412/
Hockey
Broomball’s Stick Has Evolved from the Broom
La Crosse Broomball League – https://webpages.charter.net/lbl/pdf/Broomball%20Rules.pdf
Photo – grssc.com
As Close as you Come to a Ball in Ice Hockey
NCAA Ice Hockey Rules and Regulations – http://pointstreaksites.com/files/uploaded_documents/2439/2014_2016_NCAA_Ice_Hockey_Rulebook_3.pdf
Photo – www.wallpaperup.com/172011/hockey_puck_black_ice.html
Taking Hockey To The Streets
Elite Street Hockey Manual – http://www.isbhf.com/download/ISBHF_Elite_Street_Hockey_Draft_%20Manual.pdf
Photo 1 – http://metronews.ca/features/halifaxs-photos-of-the-week/713052/over-the-top-halifax-week-in-pictures/attachment/06-17-halfront-street-hockey-jh/
Photo 2 – http://www.sportsauthority.com/FRANKLIN-NHL-High-Density-Street-Hockey-Balls-3-Pack/product.jsp?productId=11556299
Taking It Off The Ice
The Official Rule Book For Inline Hockey – http://image.aausports.org/dnn/hockey/pdf/USARSRuleBook.pdf
Photo 1 – www.funlandchico.com
Photo 2 – thehockeydepot.com
Hoover-Ball
Past President Creates A Sport
Hoover Association – http://www.hooverassociation.org/newsevents/hooverball/hooverball_rules.php
Photo 1 – http://crossfitmidtown.com/2012/06/29/franday-06-29-12-athlete-profile-uran-piedra/
Photo 2 – http://www.hoover.archives.gov/education/hooverball.html
Photo 3 – http://portaldoprofessor.mec.gov.br/fichaTecnicaAula.html?aula=26650
Hurling
Does Hurling Have The Luck of The Irish?
Gaelic Athletic Association Website – http://www.gaa.ie/coaching-and-games-development/rules-and-specifications/rules-of-specifications/equipment/
Photo – http://www.bbc.com/sport/o/get-inspired/23160639
I
J
Jai alai
Jai alai Ball, Most Lethal Ball?
Tools of the Trade – http://www.fla-gaming.com/tools.htm
Photo – http://canaryhop.com/activity/lets-play-jai-alai/
Jeu de Paume
Jeu de Paume – “Game of the Palm”
Content – http://en.wikipedia.org/wiki/Jeu_de_paume
Photo – http://rue89.nouvelobs.com/rue89-sport/2014/09/27/jeu-paume-oublie-partout-sauf-les-mots-255124
K
Kickball
Kickball Only Uses Red Balls
World Adult Kickball Association Rulebook – http://www.kickball.com/files/KICKBALL_OFFICIAL_RULES_2009.pdf
Photo – http://www.theforecaster.net/node/28991/
Korfball
Korfball Is Not for the Fellas
The Rules of Korfball – http://www.ikf.org/wp-content/uploads/2013/01/Complete-Rules-of-Korfball-from-2012-07-01-rev.pdf
Photo – http://www.leedsuniversityunion.org.uk/groups/korfball/
L
Lacrosse
Official US Lacrosse page – www.uslacrosse.org
A Ball that Feels Like a Rock When it Hits You in the Head
NCAA – www.ncaa.org
Photo – laxcamps.com/blog/concussion-awareness/
Box Lacrosse Leaves Specifications Secret
Official Rule Book – www.laxpower.com/common/rules.php
Photo – laxworld.com/lacrosse-blog/2013/04/ground-ball-work-stick-protection-and-drills
Major League Lacrosse Uses Orange “Grippy” Ball
Major League Lacrosse – www.majorleaguelacrosse.com
Photo – laxallstars.com/traditional-thursday-old-ball-looks-like-traditional/
NOCSAE Stamps Ball Regulations
NOCSAE Ball Mandate on USLacrosse.org – http://www.uslacrosse.org/about-the-sport/health-safety/equipment/nocsae-ball-mandate.aspx
The Faceoff Begins the Game of Lacrosse
Federation of International Lacrosse – filacrosse.com
Photo – blog.comlax.com/ultimate-lacrosse-faceoff-techniques/
Women’s NCAA Lacrosse Regulates Bounce at Specific Temperature
NCAA Women’s Lacrosse – www.ncaa.com/sports/lacrosse-women
Photo – colemanlax.weebly.com/contact.html
Lawn Ball
This is Not Bowling!
Rules – http://www.amcs.ymca.org.au/Media/docs/Lawn-Bowls-Introduction-Basic-Rules-MASTER-35788d9c-35e5-4224-b2ed-be84ae4feb5e-0.pdf
Photo – http://www.hklba.org/new/index.php?option=com_content&view=category&layout=blog&id=46&Itemid=45&lang=en
Lottery
SmartPlay International Rubber Balls for Lottery Draws
How the ball machines work – http://www.olg.ca/lotteries/draws_overview.jsp
Are the balls tested? – http://www.olg.ca/lotteries/games/lottomax_faq.jsp
Smartplay International Spec Sheet – http://www.smartplay.com/specsheets/ballsRubber_specsheet.pdf
M
Marbles
Don’t Lose Your Marbles
A Brief History of Marbles – http://mentalfloss.com/article/29486/brief-history-marbles-including-all-marble-slang
Official National Marbles Tournament Rules – http://www.nationalmarblestournament.org/tournament-rules.html
Photo – http://musicofourheart.me/2014/03/30/marbles-john-mclaughlin-buddy-miles-and-carlos-santana/
Ready, Aim, Fire
World Marbles Federation – http://www.worldmarblesfederation.com
Photo – http://www.marblesgalore.com
N
NCAA
NCAA Official Website – www.ncaa.com
Netball
Basketball or Netball?
International Netball Federation Rules – http://www.netball.org/images/documents/rules/ifnaofficialnetballrules2011_for_website.pdf
Photo – http://www.spar.co.za/Sports/Netball
O
P
Paintball
Paintballs Can’t Be Pink or Red
National Professional Paintball League Rulebook – http://nppl.com/wp-content/uploads/2013/03/NPPLRulebook2012.pdf
Photo – http://bakoufr.wordpress.com
Pesäpallo
Pesäpallo – Baseball in Finland
Official International Rules – http://www.pesis.fi/pesapalloliitto/international_site/rules/
Photo – ls24.fi
Pétanque
The French Game of Pétanque
The International Rules of the Game of Petanque – http://www.usapetanque.org/2014rules.pdf
Photo – http://riversideboise.com/petanque-court
Pinball
Pinball Evolution
Photo – http://npaper-wehaa.com/yes-weekly/2012/06/13/#?article=1601739
Polo
Bicycle Polo
Official Rules of the International Bicycle Polo Federation – http://bicyclepolo.org/ibpfrule.htm#3.%20Ball
Photo – http://2wheeler.areavoices.com/2012/06/01/in-mankato-bike-polo-is-the-peoples-game/
Canoe Polo
International Canoe Federation Canoe Polo Competition Rules – http://www.canoeicf.com/dms/icf/documents/Disciplines/CAP/Rules/Canoe-Polo-Rules-2013—14/Canoe%20Polo%20Rules%202013%20%26%2014.pdf
Photo – Baliat Vekassy (canoephotography.com) – http://www.sportscene.tv/flatwater/canoe-polo/news/the-shot-clock-or-60-seconds-rule-in-canoe-polo
Elephant Polo
World Elephant Polo Association – http://elephantpolo.com/index.php/the-sport/rules-a-regulations.html
Photo – http://www.claytor.com/latestnews/
Sport Uses Ball Weighing up to 4 1/2 Ounces
US Polo Association – uspolo.org
Photo – en.wikipedia.org/wiki/Polo
Q
Quidditch
Fictional Sport Becomes World Wide Sensation
US Quidditch Rulebook – https://web.archive.org/web/20220117155524/https://www.usquidditch.org/about/rules
Photo – http://www.bu.edu/today/2012/warm-up-at-winterfest/
R
Racquetball
100-inch Drop Test Used for Racquetballs
USA Racquetball – usaracquetballevents.com
Photo – www.heidiwade.com/winston-deloney-plays-racquetball-for-fast-weight-loss-results/
Road Ball
Irish Road Bowling
Official Web-Site of Bol Chumann na hEireann – http://www.irishroadbowling.ie/index.htm
Photo 1 – www.yourlifechoices.com.au
Photo 2 – www.wvirishroadbowling.com
Rugby
Rugby is Going Underwater
CMAS Under Water Rugby Rules – http://www.uv-sport.dk/cmas/English_doc/CMAS_Int_UWR_december2008.pdf
Photo – www.stuff.co.nz
Rugby Is Played with a Not-Round Ball
Rugby Football League – http://www.playnrl.com/wp-content/uploads/2013/05/ARL-Rules-book-2015.pdf
Photo – ewn.co.za/2013/03/22/Super-Saturday-for-Super-Rugby-fans
Wheelchair Rugby
International Wheelchair Rugby Federation – https://worldwheelchair.rugby/wp-content/uploads/2025/02/241223-Wheelchair-Rugby-International-Rules-WWR-FINAL.pdf
Photo – http://www.telegraph.co.uk/sport/olympics/paralympic-sport/paralympics-gb/9524299/Paralympics-2012-despite-Great-Britains-defeat-the-crowd-were-thrilled-by-the-violence-of-wheelchair-rugby.html
S
Sepaktakraw
Sepaktakraw
Official Sepaktakraw Website – https://sepaktakraw.one/
Laws of the Game – hhttps://sepaktakraw.one/istaf-law-of-the-game
Photo 1 – https://takrawcanada.com/?q=node/32Photo 2 – http://worldfootbag.com/product-category/footbags/unique-footbags/
Shinty
Shinty
Rules of Play and Playing Season – http://www.shinty.com/wp-content/uploads/2010/02/Byelaw-1-20141.pdf
Photo 1 – www.bbc.co.uk
Photo 2 – www.sliotharsmaker.com
Shot Put
Olympic Shot Put Ball Regulations
Olympic Rules – http://trackandfield.about.com/od/shotput/a/shotputrules.htm
Photo – edition.cnn.com
Skeeball
Skeeball – An Arcade Favorite
https://en.wikipedia.org/wiki/Skee_ball
Photo – www.myinsightmag.com
Skeet Shooting
Skeet Shooting – They Call it a Ball
National Skeet Shooting Association Official Rules and Regulations – https://www.nssa-nsca.org/wp-content/uploads/2010/04/2010_NSSA_Rule_Book_2010-02-06.pdf
James Lissimore Photography – jkliss.blogspot.com
Skittles
International Skittles: The European Game
Wikipedia – https://en.wikipedia.org/wiki/Skittles_(sport)#Game_play
Photo – Trip Advisor
Skittles: Older than the Candy
Wikipedia – https://en.wikipedia.org/wiki/Skittles_(sport)#Game_play
Photo – http://www.tradgames.org.uk
Soccer
FIFA Sets a Standard for Football/Soccer
Photo – motherboard.vice.com/read/the-technology-of-the-world-cup-football
Men’s and Women’s NCAA Soccer Play with Same Rules
National Collegiate Athletic Association – http://www.msubsports.com/documents/2014/9/30//NCAA_Soccer_Rule_Book_2014_15.pdf?id=891
Photo – austinssc.com/soccer-registration
Smaller Soccer Balls for Youngsters
US Youth Soccer Rules of the Game – http://www.usyouthsoccer.org/coaches/PolicyonPlayersandPlayingRules/
Photo – http://goodpixgallery.com/youth-soccer-photos/
Swamp Football is a Muddy Experience
http://www.topendsports.com/sport/unusual/swamp-football.htm
Photo – photoblog.nbcnews.com
Softball
16-Inch Softball Goes By Many Names
https://www.huntleyparks.org/assets/1/6/16_Inch_Softball_Rules.pdf
https://www.usasoftball.com/wp-content/uploads/sites/120/2023/12/2024_OfficialRulebook_USASoftball.pdf
Fast Pitch Softball – No Leading Off
https://www.wbsc.org/en/disciplines/softball
https://static.wbsc.org/assets/cms/documents/b5480455-60e2-bfc3-1e2e-3566c2765cc5.pdf
Little League Softball Licenses Manufacturers
https://www.littleleague.org/partnerships/licensing/baseball-softball-approval-process/
NCAA Softballs must be Yellow with Red Seams
NCAA Rules – https://www.ncaa.org/sports/2013/12/2/softball-rules-of-the-game.aspx
Photo – kansan.com/sports/2013/03/06/kansas-focuses-on-success-rather-than-opponents/
Slow Pitch Softball – Men and Women Hit Different Balls
https://www.wbsc.org/en/disciplines/softball
https://static.wbsc.org/assets/cms/documents/5e85a934-d622-2bd8-62f9-854264607589.pdf
Spaghettihole
Squash
Two Standards for Squash Balls
World Squash Specifications – http://www.worldsquash.org/ws/wp-content/uploads/2013/04/130218_Ball-Specifications.pdf
Photo – http://www.birminghamfuture.co.uk/sports/
T
Table Tennis/Ping Pong
Collegiate Table Tennis in the US
National Collegiate Table Tennis Association – www.nctta.org
USATT Laws of Table Tennis – http://www.paddlepalace.com/Manuals/Rules_usatt.pdf
ITTF Laws of Table Tennis – http://www.paddlepalace.com/Manuals/Rules_ITTF.pdf
Photo – Andrew Matthews/PA Archive/Press Association Ima: http://www.theguardian.com/books/2013/sep/26/metaphysics-ping-pong-guido-mina-di-sospiro
ITTF Calls for Replacement of Damaged Balls
International Table Tennis Federation – http://ittf.com/_front_page/ittf.asp?category=General
ITTF Laws of Table Tennis – http://www.paddlepalace.com/Manuals/Rules_ITTF.pdf
Photo – cargocollective.com/rmattgarcia/Ping-Pong-Trophy-1
Table Tennis Balls are Lightweight and Spherical
USA Table Tennis – http://www.teamusa.org/usa-table-tennis
International Table Tennis Federation – http://ittf.com/_front_page/ittf.asp?category=General
ITTF Laws of Table Tennis – http://www.paddlepalace.com/Manuals/Rules_ITTF.pdf
Photo – chrisreablog.wordpress.com/tag/ping-pong/
Game Using Virtual Ping Pong Balls
Math Playground – http://www.mathplayground.com/logic_factoryballs2.html
Tennis
Tennis Ball Specifications Defined for Four Types
Friend at Court – https://www.nfhs.org/media/885689/2014fac_final2.pdf
Photo – aarugha.com/tennis-wallpaper-awesome.html
Type of Tennis Ball and Ball Change Pattern Must Be Consistent
United States Tennis Association – www.usta.com
Friend at Court: The USTA Handbook of Tennis Rules and Regulations – assets.usta.com/assets/1/15/2013_Friend_At_Court1.PDF
Photo – viterbivoices.usc.edu/tag/society-of-women-engineers/page/6/
Tetherball
Tetherball….GOSHhhhh
Photo – http://pastormarkrobinson.com/2014/06/12/tether/
Video – https://www.youtube.com/watch?v=P0qmZDAKrUk
Tetherball
Livestrong Website – http://www.livestrong.com/article/410559-tetherball-court-size/
Photo 1 – http://saes-de.blogspot.com/2013/09/views-of-week.html
Photo 2 – http://www.big5sportinggoods.com/product/outdoor-lawn-games/478242-152360/tetherball.html
U
Ulama
Disney Gives a Take on Aztec Game
Youtube Link – https://www.youtube.com/watch?v=8pF03BXxUSY
Photo – http://earnthis.net/brian-terrills-100-film-favorites-67-the-road-to-el-dorado/
Oldest Game in the World Dates Back to the Aztecs
Wikipedia – http://en.wikipedia.org/wiki/Ulama_(game)
Aztec Ball Game – http://www.aztec-history.com/aztec-ball-game.html
Photo – http://aktuelresim.com/Image/763131_ulama
V
Valencian Pilota
Valencian Pilota
Photo 1 – http://www.dival.es/sala-prensa/content/configurados-los-equipos-de-la-xx-lliga-de-raspall-trofeu-diputacio-de-valencia
Photo 2 – http://www.pinterest.com/pin/452259987549423505/
Volleyball
High School Volleyballs Governed by NFHS
National Federation of State High School Associations – www.nfhs.org
Photo – bellasvitas.blogspot.com/2010/05/farragut-high-school.html
Olympic Beach Volleyball Are Bright
Federation Internationale de Volleyball – www.fivb.org
Photo – fashion-beauty-styl.blog.cz/rubrika/adminciny-kecy/2
Serve’s Up in NCAA Volleyball
NCAA Volleyball Rules and Interpretations Handbook – http://www.naia.org/fls/27900/1NAIA/resources/sid/Rule%20Books/VBR.pdf?DB_OEM_ID=27900
Photo – www.washingtonpost.com/blogs/london-2012-olympics/wp/2012/08/07/live-day-11-usain-bolt-gabby-douglas-aly-raisman-lolo-jones-misty-may-treanor/
Sitting Volleyball
Official Sitting Volleyball Rulebook – http://www.sittingvolleyball.org/sittingvolleyballruleswovd.pdf
Photo – http://www.rio2016.com/en/the-games/paralympic/sports/sitting-volleyball
W
Water Polo
College Level Water Polo Requires Five Balls for Each Game
National Collegiate Athletic Association – www.ncaa.org
National Federation of State High School Association – www.nfhs.org
Photo – www.stanforddaily.com/2013/02/04/water-polo-wins-stanford-invitational-behind-yelizarova-baldoni/
NCAA Water Polo Must be Predominantly Yellow or Gold
NCAA Water Polo Rules – http://static.psbin.com/9/1/beyyi0ufof5ihc/NCAA_Rules_2014_16.pdf.pdf
Photo – www.usawaterpolo.org/genrel/043013aaa.html
Olympic Water Polo for Men and Women
Federation Internationale de Natation – www.fina.org
Photo – darkroom.baltimoresun.com/2012/07/olympic-ink-40-more-tattoos-on-the-worlds-best-athletes/gabriellas-szucs-from-the-u-s-controls-the-ball-during-their-womens-preliminary-round-group-a-water-polo-match-against-hungary-at-the-london-2012-olympic-games/
Wiffle Ball
Wiffle Ball
NJ Wiffle Ball Association – http://www.wiffleballusa.com/rules.html
Photo – http://www.timesunion.com/sports/article/Wiffle-Ball-dream-comes-true-1396467.php
Woodball
Woodball – Invented in Taiwan
International Woodball Federation – http://www.iwbf-woodball.org/en/2-2.php
Photo – depositphotos.com