Zoetrope A zoetrope is a tool used to create some of the first animations in history. Invented in 1834 by William George Horner, the zoetrope uses a cylinder with slots cut into the side in order to animate a strip of images on the inside of the cylinder. Milton Bradley Company eventually gained the patent for the zoetrope around 1867. With this patent, the zoetrope was brought into homes across the country as a child’s toy. How I built my Zoetrope When I set out to build my zoetrope, I wanted to see if I could design and build it without using any instructions online. First, I used cardboard and made a disc with a 12-inch diameter in order to have about 37 inches in circumference. Through trial and error, I eventually used a string and some tacks to make my disk. Once I had the base, I cut out some cardboard to make the walls, and complete my cylinder. Finally, to make it spin I used a small wheel, a bolt, a washer and some nuts. Once I had the cyl