Sam Loyd Forfatter
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The Book of Tangrams: 700 Puzzles (Bog, Paperback / softback, Engelsk)
The tangram's challenge lies in arranging seven geometrical pieces — a square, rhomboid, and five triangles — into a variety of different shapes. These 700 absorbing puzzles include complete solutions.
Levering: 6 - 9 hverdage
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