[Unique Auto-lay Feature] Fill the dominoes, toggle the switch, activate colorful lights and auto-play train sounds, and the train will release them as it moves across the floor or table, creating a perfect row of dominoes ready to be toppled, adding extra fun to the domino train toy. [Creative Play] Build endless domino tracks with 200 colorful plastic blocks, encouraging kids' early development, spatial thinking, color recognition, and providing engaging play that keeps young minds coming back for more. [Parent-Child Interaction] This domino train set offers a great bonding experience for parents, grandparents, and children, or can be enjoyed independently by kids, promoting teamwork and interactive play. [Safe Material] Made from high-quality plastic, the dominoes are sturdy and durable, with smoothly polished edges, free of burrs and safe to touch. [Excellent Gift Choice] Packaged in a vibrant box, this domino train toy set makes a perfect gift for toddlers to teens, ideal for sparking joy in boys and girls. Suitable for Christmas, Halloween, birthdays, or as a puzzle gift to provide happy playtime. Turn on the train switch to automatically activate lights and sound effects, stimulating visual and auditory senses.