100pcs Wooden Dominoes Set for Kids,Kids Game Educational Play Toy Racing Toy Game, Building & Stacking Toy Blocks (10 Colors ) Material: 100% real linden wood. Paint: non-toxic painting. Excellent for use in educational math games: counting, adding, subtracting, multiplication. Classic dominoes racing train game: super fun for your kids to play! Effect:Push one of them, it will have a chain of effect. Package: 100pcs Wooden Dominoes Set