1. By simply pressing the quick-load domino magazine on to the domino, your colorful blocks go up into the holder and stay there until your train releases them as it travels over the floor or table, leaving a perfect row of dominoes just waiting to be knocked down. 2. Designed to engage kids in their early STEM development, the Dominoes encourages children's spatial thinking abilities, color recognition and will keep your little engineers coming back for more fun. 3. Made of quality materials with smooth surface, no burrs, which is durable and safe for children. Large bricks which are too large to be swallowed. Preschool toys or everyday toys. 4. With simulation train sound, it would be a wonderful and interesting way to help develop children's abilities. It is also an excellent option for a happy family time and many entertaining moments. 5. Perfect for any occasions, such as party, birthday, educational purposes, rewards, gifts, is the best choice for sending children. Notice: Actual color may be slightly different from the image due to different monitor and light effect. all Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution.