The Tamiya 72002 gearbox with the possibility of installing racks in a gear ratio of 11.6:1 and 18:1. It is suitable for very fast vehicles or mechanisms that do not require high torque. Pololu 71

Tamiya 72003 High-Power Gearbox Kit

Tamiya 72004 Worm Gearbox Kit

Solarbotics K SV Sumovore Mini Sumo Kit

Solarbotics GMPW-R RED Wheel with Encoder Stripes, Silicone Tire

Solarbotics GMPW-LB Blue Wheel

Solarbotics GMPW-B Black Wheel

Solarbotics GMPW-LB BLUE Wheel with Encoder Stripes, Silicone Tire

The 6 AA R6 battery holder is a basic but essential item for those who need a simple way to connect batteries for higher voltage. Cable length 15 cm

The holder for 8 AA R6 double-row batteries is an ideal solution for people who need a simple and reliable way to connect AA batteries to obtain 12 V voltage