constructor for kids are benefit for kids in eye-hand coordination kid's good math skills improve creativity and imagin Description: Item No:M002602Product name:3D blcok of geometri figureCategory:BlockPacking:Color BoxPCS/CTN:120 PCSCarton size:73*36*59 cmGW/NW:28.5 / 25 KGSMaterial: ABSPiece:320 piecesType:3D blockVolume0.155 CBMDescription:Educational toyAdvantages:Our 3D block is benefit for ...