Click N' Play 300-piece 100% Real Wooden Domino Blocks Set, Racing Toy Game, Building and Stacking Toy Blocks Super pack - 300 pieces Dominoes set from Click n' Build + free storage bag and wooden stand Made of 100% environment-friendly linden real wood which will not harm your kids 8 different colors - black, white, yellow, orange, red, blue, green and lime green. Each Domino measures 4.5 cm high by 2.4 cm wide and 0.7 cm deep Great and super fun toy for your kids to play, Push one of them, it will have a chain of effect.. Develop Math, Science, Spatial and Tactile Skills + it will develop your kids imagination Meets all specifications of European (EN-71) and American (ASTM) Toy Safety Standards