Have a 3D printer? These solids roll, but they're not spheres:
The Grand Illusions channel is mentioned; they have many interesting videos here: https://www.youtube.com/channel/UCnmgSO_4g6QcRzy0yFeglyA
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Have a 3D printer? These solids roll, but they're not spheres:
The Grand Illusions channel is mentioned; they have many interesting videos here: https://www.youtube.com/channel/UCnmgSO_4g6QcRzy0yFeglyA