Learn the theory behind the magical 3D hologram and impress your friends with the 3D images. Observe the 3D images come to life. Contains base x 1, reflector x 1, transparent cover x 1, four-sided screen x 1, stand x 1, paper template x 8, battery cover x 1, screw x 1 and detailed instructions. Also required, but not included in the kit: 2 x 1.5V AAA batteries and a small crosshead screwdriver.