Packed with 27 pieces of materials required to do 9 different Optical Illusion Experiments. Great parent and child bonding activity which includes experiments like 1) The Mystery of Eyeball 2) DIY Film Projector 3) Grating Animation 4) Spinner Disk Illusions 5) The Dinosaur that watches you 6) Magic Haunted House 7) Jastrow Illusion 8) Embarrassed Mona Lisa 9) Cube Illusion All materials and Activity Guide Booklet are included. Age appropriate for 6 years old and up