Undoubtedly, our product can train your child's cognitive abilities because children can observe the domino effect after pressing one of the dominoes, and it looks vivid because it has a vibrant color. The travel direction can be adjusted at will, just turn the train's chimney. Certainly, our product can lay the domino track automatically, and children can also choose to lay it themselves, and each domino will be separated by 1.5cm, and the small train will send out the domino from the back of the car while driving. With a vivid sound effect, our product can bring a fun experience for children. It is made of plastic and is durable to use. There is one size of the product to choose from. Our product is suitable for family. Item Name: Domino Toy Material: Plastic Features: Non-Fading, Sturdy, Intelligent Size Details: Train Head Size: 16cm x 10.5cm x 7cm/6.3" x 4.13" x 2.76" (Approx.) Dominoes Size: 1.8cm x 3.4cm x 0.5cm/0.71" x 1.34" x 0.2" (Approx.) Magazine Size: 4.8cm x 25.6cm/1.89" x 10.08" (Approx.) Notes: 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. Package Includes: 1 x Locomotive 60 x Domino 1 x Magazine 1 x Steering Pendulum