Set includes 2 hypotrochoid templates, 1 red, 1 blue, and 1 green pen and instructions
Packaged in a handy carrying tin
Hypotrochoids are mathematical designs created by a point in a circle rolling around inside of a larger circle
Create wildly different patterns with this classic and absorbing art set
NPW toys and gifts surprise, delight and most of all make you laugh

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 3.5 inch
Height : 1 inch
Length : 8.4 inch

Item Weight: 4.48 ounce (View shipping rates and policies)
Shipping Weight: 4 ounce (View shipping rates and policies)

ASIN : B000XJRYFW