HSS 240 pcs 100% Real Wooden Domino Blocks Set, Racing Toy Game, Building and Stacking Toy Blocks Made of 100% environment-friendly linden real wood which will not harm your kids Great and super fun toy for your kids to play, Push one of them, it will have a chain of effect.. it will develop your kids imagination Single chip size:4.4x2.1x0.8cm Paint: nontoxic paint Color: 10 colors mixed (picture is for reference only)