Optical Science Lab blocks a 3-wheel bike

a 3-wheel bike

and our set holds up to the physical play of the game

The step-by-step instructions allow for quick adult assembly so play time can start right away

2 wooden croquet mallets

Optical Science Lab blocks a 3-wheel bikeExplore the world of optical science and light with this set of eight experiments. Perfect for young scientists and inventors! EXCITING EXPERIMENTS: This optical kit consists of the following eight experiments a Periscope, a Cone Illusion, a 3D Viewer, a Rotating Kaleidoscope, an Infinity Mirror, an Optical Lab, an Optical Illusion Pendulum and a Camera Obscura! PLENTY OF PIECES: This set includes an array of blocks that can interlock with each other