Create fascinating patterns with this classic art tool that has been loved for generations and makes learning math fun. Traces out hypotrochoid curves, turning math into beautiful art, this is a fun toy for children who are above 5 years old.
1. Put one of the gears in the big circle.
2. Position your pen tip in one of the little hole of the gear.
3. Draw along the gear teeth.
1. The internal and external teeth should always rely on each other tightly.
2. Using colorful pens will be a lot more fun.
|Packing Method||OPP bag|
|Product Size||20 x 10 cm|
|Package Weight||30 g|
|Package Size||21 x 11 x 3 cm|
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