Description: Automatic Building Train, bright color, round edge and safe to play for kids and children. Promote visual and auditory development, eye-hand coordination, parent-child interaction. Turn on the train switch, twist the steering wheel, the train will walk along the direction, the dominoes will fall down from the rear of the train one by one. Powered by 2 "AA" batteries (not included) Material: Environmental ABS plastic Specification: How to play ？ Put the bricks in the card slot, insert the card slot on the top of the train, open the train switch, twist the steering wheel, the train will walk in the direction, and the bricks will fall from the tail of the train in turn. According to the player's constant rotation of the steering wheel, can discharge a variety of formations. Size Chart: Train: Approx. 160x70x110mm/6.30x2.76x4.33inch Card slot: Approx. 40x240mm/1.57x9.45inch Cactus: Approx. 55x65mm/2.17x2.56inch Brick: Approx. 18x35mm/0.71x1.38inch Package Includes: 1 Set Train Toy Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.