Description Children's Domino Train Set Sound and Light Automatically Laying Domino Colorful Building Blocks DIY Toy Set Children's domino train car set sound and light automatically lay domino bricks and color domino blocks game toy for boys and girls Color: transparent Material: Plastic Size: small train (7*16*10cm), domino height 3cm, small tree height 5cm, loading card holder (25*4.5cm) Requires 2 "AA" batteries (not included) Products include: Domino*80. Loading folder*1. Tree*1 Features: Simply push the cartridge down onto the domino to load the cartridge. Install the cartridge on the top of the train and turn on the train. Turn the funnel of the train to the left and right. As the train moves forward, it will continuously place standing dominoes. This product is designed to cultivate children's imagination