Light Damping balance Tank Robot Chassis Platform DIY suspension tank SN3900 with cover

  • it very light, weighs only 211g
  • spring damping effect, it can press downward 0.7cm
  • Small ,size: 9.7 * 18 * 4.5cm
  • Motor is a universal motor 130, support 3-8v voltage (can be replaced with some other upgrade motor)

buy extra tank track from here

only buy the chassis without cover from here