My daughter has just bought an original Rubik's cube (to replace the one she had) and then got frustrated as to how slow the mechanism is. So she bought a set of speed cubes - a tetrahedron, three cubes of 2x2x2, 3x3x3 and 4x4x4 and a polyhedron - which I believe is a dodecahedron - with hexagon shaped faces
January 26th, 2019
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