Specifications: Made of high quality ABS material, it is safe, non-toxic and no harm to the body. With the unique automatic laying function, you can fill up the plastic blocks, then the train will start to lay the domino route, which will bring more fun to the domino racing game. Using colorful plastic blocks to create the domino track you want, then just set them in succession and push one, watching the chain effect of dominoes roll like a race will let your kids play super fun.Item Name: Dominoes Set Material: ABS, Plastic, Electronic Components Battery: 2 x AA Batteries (Not Included) Features: Unique Design, Automatic Laying Function, Domino Effect, Super Fun Size: 33cm x 8cm x 23.5cm/12.99" x 3.15" x 9.25" (Approx.)Notes: 2pcs of AA Batteries need to be prepared by customers. 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 Dominoes SetQ: Is there anything available? A: Dear customers, all the products we display on the website are available. Products are in stock, please rest assured to buy!Q: There is no color or size in the product description in the shopping cart option. How do I buy the product I want? A: Dear customers, you can contact us after placing an order to change the color or size of the product.Q: How long does the package take it to arrive? A: Dear customers, we will pack the packages within one to two working days. Our packages are shipped from China and are expected to arrive within 8-14 days.Q: Can I provide the invoice? A: Dear customers, we can send you electronic invoices. Please contact us after paying for the order.