MaterialHigh quality plasticNon-toxic, tasteless, against strong and unbreakable, rounded to ensure your children play safely. Package Includes: 1 train head + 60 domino +1 clip +1 decoration. Dominoes automatically automatic laying function train, put the dominoes into the card clip, after that put on the train, it could be go around with automatic pendulum dominoes (required 2 AA batteries, NOT INCLUDED). Domino chain reaction of children and adults have appeal. Develop children's athletic ability, color cognitive ability, teamwork ability. It also allows children and parents to spend happy parent-child time. This is the best gift for the children, can also be used as Christmas gifts, Halloween gifts, children's birthday surprises and jigsaw puzzles, giving children a happy entertainment time.