Studio : bsiri Publisher : bsiri Binding : Toy Product Description This puzzle is a cluster of 6 wooden pieces. This brain teaser is made by careful carving of two of the surfaces of each block, so that the individual pieces can interlock. Even if you know the shape of the blocks, you will find separating them or reassembling the cluster, a very puzzling problem to tackle. Size 5x5x5 cm or 1.9x1.9x1.9 inch 0
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