You won't believe your eyes with this illusion science kit! Amaze your friends and family with these exciting tricks. Experiment with over 20 optic activities and learn the scientific explanations behind them, including tricks like the illusion spinner. This great science kit for kids comes packed in a neat hand carry pouch bag and will guarantee hours of fun. Get the children to take them to gatherings, perform Show & Tell or challenge their friends to guess how it's done!