01:06
Geometric Lamp - MathDesign
01:18
Play Math Sticks - geometry math tool, polyhedrons.
01:13
Hyperbolic Tower Miniature Model - Rotate Type
01:21
My family.
01:32
Sierpinski fractal pyramid
05:55
PlayMathsticks - the circulation of regular polyhedrons - math tool
03:34
Kepler-Poinsot polyhedrons
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