AUTOMATIC DOMINO TRAIN Made of premium ABS, smooth edges to ensure children's safety during play. 3xAA Battery operated - batteries not included. These plastic blocks domino pieces are finished with non-toxic paints which are safe and wont fade. AUTOMATIC LAYING and EASY TO USE Put the plastic dominoes in the holder, after that put on the train, turn on the switch to the blocks will automatically fall off with the train going. If would like to make a fun shaped track simply turn the train's funnel left or right. ENJOY YOUR FAMILY TIME Parent-child interaction plays a very important roles in parent-child relationships. Our Domino Train Blocks Set Includes 37 pieces of colorful plastic blocks. Not only inprove childrens spatial thinking abilities to build your desired domino race track, but also can promote the relationship between parents and children during the playing. IDEA GIFTS FOR BOYS AND GIRLS This is a fun toy, especially if you and your kids or grandkids are domino racing fans, can also be used as Christmas gifts, Halloween gifts, children's birthday surprises, and jigsaw puzzles, giving children a happy entertainment time. 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.