NIB 4WD Climber Build Kit

Brand new in box. This is a four-wheel drive DIY climbing vehicle, which can help children learn the mechanical transmission structure of the vehicle model by using their own hands on their practice. Learn how electrical energy can be converted into mechanical energy, and how to change the chassis height of the vehicle to come across obstacles. Learn how to improve the vehicle's cross-country ability to come across obstacles through adjusting the combination of transmission crankshaft's dislocation variation. Bundle and save! From a smoke-free, dog-friendly house. Will use reused packaging whenever possible. Need a Poshmark account? Use my code DANSBURYJ and save $15 off your order!