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the Einstone II Puzzle invites you to explore the beauty of mathematical design through hands-on play
and traditional classrooms
or a language other than English
middle wheel letters
Working the same skill from another angle
Soma Cube Wood Puzzle | 3D Puzzle Cube for Kids Size:Medium the Einstone II Puzzle invitesThe Soma Cube is a classic wooden puzzle invented by Danish mathematician Piet Hein in 1936. Seven uniquely shaped wood pieces fit together in 240 different ways to form a cube, plus a variety of 3D shapes for open ended building. A real brain teaser for kids and beginners The Soma Cube is a hands on, screen free puzzle that challenges problem solving and spatial reasoning. With 240 valid solutions, kids find a way through without getting stuck,
