This is a Phenakistoscope made in a center in gateway called k'nex. The Phenakistoscope is used to take one picture and make it move by having a wheel that turns the picture. By making the picture move you can make the picture go frontward or backward and it would look really cool if you did it right. the Phenakistoscope is made of k'nex sticks and instructions. You move the wheel, which moves the picture to make it look like it is moving when it is actually not.