Brain Games - To Go - Optical Illusions

Optical Illusions is a fun and unique way to get the mental exercise you need.Use observation and visual reasoning skills in order to unlock the tricks behind these illusions.A variety of different optical illusions, from tricks of perspective to perceived motion, are included to keep you entertained.Great size for travel: 7-1/8" x 5-1/2" x 7/8"256 pages