My PC Parts, Amazon affiliate links----¬ GPU - https://amzn.to/3fezXAf CPU - https://amzn.to/3cWbmyH Motherboard - https://amzn.to/2AwVrcT RAM (x2) - https://amzn.to/3hiYkOV Programs Used - Photoshop - 3DS MAX - Sony Vegas A 3D Comparison of many different balls, from a Football, Basketball and Human Eye Ball. - Ball List - Marble Adult Human eyeball Bouncy Ball Squash Table Tennis Golf Juggling Racquetball Pool Carom billiards Lacrosse Tennis Cricket Field Hockey Baseball Dragon Ball Croquet Softball Shot Put Lawn Bowls Team Handball Volleyball Bowling Soccer (Football) Water polo Netball Dodgeball Basketball Rugby American Football Medicine Ball Beach Ball (24 Inch) and just for fun... The World's Largest Rubber Band Ball Correct sizes were gathered from various authentic sources. e.g. Wikipedia