Enjoy a collection of 54 eye-catching optical illusions while you play your favorite card game on these high-quality playing cards! The illusions will fool your eye and delight your imagination. Colors, shapes and appearances transform themselves magically before your eyes. But don't worry, it won't affect your play...well, then again, you might want to hold onto that card for just a couple more seconds... US Games Systems Optical Illusion Playing Cards - Theme/Subject: Fun
