3 Review(s)

R&D For Original Product Select "Sold and fulfilled by INVENTO SALES" Mechanical structure is simple, it is easy to install; With a 4 AA battery box and power switch (batteries not included) with other devices to perform function of tracing, obstacle avoidance, distance testing, speed testing, wireless remote control Wheels Diameter: 65mm; Battery Type: AA (not included) Note: Battery is not included in the kit you have to purchase separately. This kit comes unassembled and buyer has to assemble on its own. Tools required for assembling need to be purchased separately. Some connectors, wires and screws need to be purchase separately.