Tracked tank version 2.0 diy hand-made invention kids hands-on ability STEM maker accessory kit

This is a triangular structure that makes climbing more powerful! Overall more beautiful and reasonable!
The production of tracked tank cars is a favorite of children. The 6-wheel + track + low-speed motor + angle design greatly increases the car’s climbing ability.

Weight: 129g
Size: 22 * 11 * 5.5cm
Production purpose:
1. Increase friction by increasing the contact area with the ground
2. Observe the rotation direction of the motor through the connection of the positive and negative poles of the power supply