Tracked Vehicle Chassis Kit
Item #70108

The Tracked Vehicle Chassis traverses over objects in its path
and rough terrain. Use this kit as a stand-alone or combine it
with other accessories making a more complex machine with more
capabilities. The gear box can be built with two possible gear
ratios-Standard: 203.7:1 or High Speed-58.2:1.

Required Items:
2 AA batteries
Tools