... blockSELET FUCTIONKucube Is a building block type puzzle toys, novel structure, Random assembly. Packing Pictures Quantity Color 300piecesWhite,Black,Red,Yellow ... ,Yellow, Light blueKucube is only made up of a single structure, four sides has dovetail groove and dovetail guides, the top ... the family, can realize the joy of creation. brick suppliers,3D puzzle toy,building block