Over 60 mindbending challenges to delight & amaze you Flex your mental muscles with Mindbenders, the interactive book of brainteasers, optical illusions, puzzles, tricks & more! Discover how to pick up a marble without touching it or find yourself without any control over your own arms! With instructions & explanations, you`ll understand how over 60 challenges work & be able to amaze friends & family with your craftiness. With four amazing interactive elements you can also fool your sense of perspective with optical illusions, be transformed in a hall of mirrors, track down the hidden shapes in a stunning pop-up, or take on a colour-matching challenge that will really get you in a spin! With clearly-presented challenges & entertaining images, Mindbenders will have you poring over these puzzles for hours on end!