It's time for some puzzling optical illusions to fuel your day! This activity book is so engaging, it shouldn't be played in the middle of a meeting. It wraps you in a bubble of self-awareness and you forget the world. It is, however, recommended that you work on the activities to wrap up the day so you can rest well. Grab a copy now! | Puzzling Optical Illusions Find What's Hidden Activity Book by Activibooks Activibooks, Paperback | Indigo Chapters