Alytimes 240pcs Authentic Basswood Standard Wooden Kids Domino Rally Building Kits Kids Game Play Racing Educational Toys for Children Single chip size:4.4x2.1x0.8cm Made of environment-friendly linden wood, no harm to your baby Material: basswood, Paint: nontoxic paint Push one of them, it will have a chain of effect Develop Math, Science, Spatial and Tactile Skills + it will develop your kids imagination Single chip size:4.4x2.1x0.8cm Made of environment-friendly linden wood, no harm to your baby Material: basswood, Paint: nontoxic paint Push one of them, it will have a chain of effect Develop Math, Science, Spatial and Tactile Skills + it will develop your kids imagination Product Item: Colorful Dominoes Each Size: 4.5*2*0.7cm Surface consisted: water painted. Package Included: 240Pcs with 12 colors mixed Quality Material: durable wood are safe non-toxic, can be rest assured use