Feature 1Interactive Games: Parents can assemble these blocks at home or outdoors with their children, which are wonderful parent child games that are most fun for adults and children to participate in together. 2Manipulative Ability and Imagination: This marble block game toy set can improve your child's manipulative ability and also help them improve their imagination and problem solving skills. 3Prime and Safety: This set of children's building block toys is made of premium plastic material, which is durable, sturdy, safe, easy to assemble and can be used with confidence. 4Perfect Gift: The perfect railroad maze toy for birthday gifts, children's party gifts, after school entertainment, Christmas gifts and all other holiday choices. 5Good Experience: Parents can feel confident in our durable and safe materials, while kids can enjoy the excitement of building with our Variety Track Kit.Item Type: Track BlocksProduct Material: PlasticSuitable for: ChildrenWeight: 540g / 1.19oz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List30 x Small Ball1 x Accessories Package (75pcs)1 x Instruction Book