Create intricate hypotrochoids with this fun art set. Hypotrochoids are roulettes traced by a point attached to a circle of radius r rolling around the inside of a fixed circle of radius R, where the point is a distance d from the center of the interior circle. The result is an intricately detailed image that is surprisingly easy to make.
- 3 pens in red, blue and green
- Assorted sizes of hypotrochoid circles (6)
- Outer tracing circle
- Recommended for ages 6 and up
|WARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs.|
|This item conforms to the requirements of ASTM Standard Consumer Safety Specifications on Toy Safety, F963.|
|This item conforms to the requirements of the EN 71 European Standard for Toy Safety.|