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Einer unserer Top-Seller
Dimensions: 12
Dimensions: 12 x 11 x 1
is a magic square
Simple scientific knowledge could be helpful
Rechenkünstler Einer unserer Top-SellerPut the 14 pieces of the "Rechenknstler" into the frame so that 4 correct mathematical equations are created. A challenge not only for math freaks. Dimensions: 11. 5 x 8 x 0. 8 cm Difficulty level: 5 out of 7
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