Hypotrochoid Art Set

These beautiful flowing curves have fascinated mathematicians for centuries. Different points within the small circle produce wildly different patterns. This classic and absorbing drawing set is easy and fun to use. Includes 2 hypotrochoid templates, each with 3 gears, plus red, green, and blue pens in a storage tin.

Ages 3+
3.5"h x 8.4"w