Endless Domino Racing Fun: Build your desired domino race track with colorful plastic blocks. Super fun for your kids to play! Set them up all in a row, and then push one and watch the chain effect of the dominoes tumbling over like a race.Encourages STEM Development: Designed to engage kids in their early STEM development, the Dominoes encourages childrens spatial thinking abilities, color recognition and will keep your little engineers coming back for more fun.Safe to Play With: These plastic Blocks domino pieces are finished with non-toxic paints which are safe and wont fade. The dominos are made of high-quality plastic, Smooth edges to ensure children's safety during playPerfect Gift For Kids: This is a fun toy, especially if you and your kids/grandkids are domino racing fans, can also be used as Christmas gifts, Halloween gifts, children's birthday surprises and jigsaw puzzles, giving children a happy entertainment timeEducational Benefits: Helps develop cognitive and motor skills, hand-eye coordination, and spatial awareness.Interactive Features: The domino train engine automatically sets up the dominoes in a line, with lights and sounds for added fun.