Overview: Simply push the cartridge down onto the domino to load the cartridge. Put the cartridge on top of the train and turn on the train. Turn the train hopper to steer left and right. As the train moves forward, it will place the dominoes in a row. This product is designed to develop children's imagination, hand-eye coordination, color and shape recognition Product Information: Material: Plastic/plastic Packing: Color box Wooden block type: Domino 3C configuration category: Plastic toys under 14 years of age Domino type: Automatic dealing dominoes 1 set: 100 dominoes, 5 packs+card storage box (random color, excluding small trains) Packing list? Toy train*1