Product Description: Material: Plastic Size: Drawstring size: 16*7*33cm Block size: 1.8*3.4cm Cactus size: 6*5.5cm Power: 2 * AA batteries (not included) Suitable age: over 3 years Color: Multicolor Quantity: 1 set Package contents: 1 set * Children's train set 1.Material: The train and dominoes are made of safe and environmentally friendly plastic. They are non-toxic, tough and not easy to break. The train consists of electronics and runs automatically. 2. Dimensions drawstring size: 16 * 7 * 33 cm block size: 1.8 * 3.4 cm cactus size: 6 * 5.5 cm 3. Design: draw shape and automatic discharge of dominoes that differ from traditional domino shape and placement to attract children's attention, play quickly and conveniently. The dominoes are rounded and do not harm the child, so the child can play safely. There are sounds and lights on the train that provide fun and authenticity. 4. Development: Can develop children's practical skills, cognitive color development, teamwork, artistic perception, sensory, cognitive skills, practical skills, social skills, imagination and creativity. 5. Use: Train to make dominoes automatically. Simply place the dominoes in the card holder, insert into the train and turn on the switch for the sound and light train to work (requires 2 AA batteries, not included).