2PCS Robot Car 95cm Crawler Tank Treads Tracks with Gear for Robot Tank DIY Project for Teen Adult(Not Included Idler Wheels)

2PCS Robot Car 95cm Crawler Tank Treads Tracks with Gear for Robot Tank DIY Project for Teen Adult(Not Included Idler Wheels)

Greartisan DC 12V 200RPM Gear Motor High Torque Electric Micro Speed Reduction Geared Motor Centric Output Shaft 37mm Diameter Gearbox