Features: 1. Automatic Domino Train Toy: Every time play domino, you will have different gains, which can increase the difficulty appropriately and improve children's innovative ability and logical thinking abilities. 2. Automatic Placement Function: the small train is automatically placed evenly, and the distance between each domino is 1.5cm. Turn the chimney to adjust the direction and change the driving track. With a slight push, the dominoes will have a chain reaction and fall one by one. 3. Safe Material: The domino train toy set made of high-quality ABS plastic has no edges and corners and will not hurt children's hands. Parents can play with their children and promote emotional communication between parents and children. 4. Colorful Lighting And Sound Effects: After the train switch is turned on, the lights and sound effects are turned on at the same time, imitating the sound of a steam train, triggering visual and auditory feelings, and cultivating children's cognitive ability. 5. Perfect Gift: The domino train toy is a fun toy that can be used as a Christmas gift, Halloween gift, kid's birthday surprise, and jigsaw puzzle, giving kids a happy playing time. Specification: Material: Plastic Product Color: Multicolor Package Size: 25.6 x 8 x 14cm Package Weight: 190g, 490g, 525g, 560g Battery: 2 x AA Battery (Not Included) Package Included: 1 x Train Toy 1 x Steering Accessory 1 x Card Holder 60 x Dominoes Or 1 x Train Toy 1 x Steering Accessory 1 x Card Holder 80 x Dominoes Or 1 x Train Toy 1 x Steering Accessory 1 x Card Holder 100 x Dominoes Or 1 x Card Holder 100 x Dominoes