1Follow Line Inductive Car: You can create routes according to your own preferences, which is more interesting. Combination toys can develop intelligence, stimulate potential and help children grow up happily. It is conducive to the development of physical and mental health, access to the best education and entertainment. 2Hand and Brain Coordination: The combination of hand and brain can expand the thinking. During the assembly process, observe the characteristics of the building blocks, and build them into a whole through your own efforts. It can train the coordination ability of children's combination of hand and brain, stimulate thinking, and promote brain development. 3Polished Building Block: The building block parts are smooth and polished, and each part fits well. The grip is smooth and comfortable, and it is not easy to loosen. 4Innovative Thinking: The exertion of creativity and imagination can promote children to constantly try some new ideas, help them gradually form an innovative thinking, and constantly find new ways to solve problems. 5Layout Learning: In the process of building blocks splicing, children constantly learn the layout and structure, which helps them master the shape of objects, identify the spatial direction, and master two dimensional and three dimensional space and its transformation. Item Type: Inductive Digging Truck Toys Material: Plastic, electronic components Gross Weight: 190g / 6.7oz Color: Yellow Trolley Battery: 2pcs 1.5v AAA batteries (not included) 1 xBuilding Block Kit 1 x Car Base 1 x Pen 1 x Instruction 1 x Paper