Requirements:
* expel atmosphere bubbles in the Gear Diff or Shock Absorber human body.
* 1:10 or 1:8 Shock Absorber work.
* Accelerate the tire additive treatment means of 1:12th, 1:10 foam tire or plastic tire.
* With power knob to change the vacuum anxiety in the cylinder container.
* With environment valve change to release the atmosphere force.
* Help 1s or 2s battery pack.