Mould King 26002 Track Racing ball roller coaster building Kit, Toy ultra-high speed electric ball Drive building Kit, children's building toy, STEM educational toy amusement park building kit model

Big ball retracts: The overall shape is a roller coaster shape, the hose design transmits the small ball, and the black high-speed L motor drives the transmission structure to push the small ball, showing that parents and children spend time together. More interesting. Creativity and learning: DIY building blocks are designed to provide children with an interesting and challenging building experience, with realistic movements and mechanisms, which help promote children's imagination and creativity, hand-eye coordination and confidence in themselves; it is also an ideal toy for boys and girls aged 8 and above, which can inspire them to learn about machines and technology. Easy to assemble: This roller coaster building kit is assembled from 2438 building blocks. Following the detailed manual and clear assembly steps, this model is easy to assemble even for children or beginners. For convenience, the building blocks and accessories are placed in separate bags in the order of assembly. [Best gift choice] This DIY building set has an elegant and classic design, which can be a great decoration for your home, office, living room or bedroom. In addition, it comes with a beautiful original packaging, which is a great gift for children, car model collectors. It is the best choice for birthdays and festivals, parent-child activities, family entertainment, and hobby collection.