TAMIYA Remote control robot Craft set (tire type)

The parts needed to make a highly-controllable tire-driven remote control robot using castors and two tires were set.
Includes twin motor gear box, crank gear box, remote control box, ball caster, track tire, universal arm, universal plate and 3 mm push rivet.
Assembly instructions include robot arm type, which uses an arm, as well as examples of three types of production, such as shovel type and bucket type, and robot competition examples.
Various robots can be created by further devising.
Two single batteries are sold separately.