Fill the cartridge and start the train to lay your domino trail. Manufactured of premium plastic, the building blocks are safe for kids to play. It is great for developing hand-eye coordination, logical thinking and creativity. The blocks are brightly colored and sturdy enough to stand up for some fun interactive play. With smooth of each shape, it is safe for kids to play. Wonderful gift for your little one or friends. Features - Color: Assorted. - Material: Plastic. - Size: Approx. 15.8x7.5x11cm. - This set includes 1pc Small train+ 80pcs mixed color domino + 1pc cactus + 1pc domino clip. - All domino rally sets work together to help make the coolest domino creations you can imagine. - An toy or gift for training the children's patience and counting ability. - An interesting game that can cultivate people's creative ability and their self-confidence. - The chain reaction of dominoes is appealing to both kids and adults. Help to their intelligence, improve hands-on ability and patience. - Helps develop children's fine motor skills while promoting hand-eye coordination, creativity and imagination skills.