A nice educational toy for children to cultivate their manipulative ability and aesthetic ability

Develop children's imagination and intelligence

Free combination allow children to draw tens of thousands of fantastic patterns


Instructions:

1. Choose any external gear, rabbit or tortoise

2. Keep pen vertical to paper, insert pen point to the hole on internal gear, draw in a certain direction

3. Keep the teeth of external and internal gears tooth tightly

4. Draw different patterns by free combination