Free with 6500 Points Redeemed

Thames & Kosmos - Optical Illusions' Stem Experiment Kit, 1 Each, $12.99

stonish yourself with optical illusions and amazing visual phenomena as you explore human perception and the physics of light!Experiment with light and the color spectrum.Build a color wheel, a fiber optic peacock, and diffraction glasses!Experiment with spatial vision and depth perception with 3D glasses and an Ames room model.A 48-page, full-color manual guides you through 35 optical experiments and includes clear scientific explanations.