Spirograph
Description
A spirograph created to be sturdier and easy to use. Gears are created with 20 degree pressure angles. A base plate with 110/190 teeth and gears varying teeth are included: * 55 Gear * 53 Gear (Tricky) * 57 Gear * 66 Gear * 36 Gear * 33 Gear * 22 Gear Spirographs have a discrete number of teeth and create very mathematical patterns. If you'd like to learn more about the math read here (https://en.wikipedia.org/wiki/Spirograph). This kit includes a number of different gear teeth to experiment and have fun with.
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