This is a tracked chassis for robots and other DIY projects. Motors are pre-installed. There is a built in battery holder for 4 AA batteries as well as a built in on/off switch. Track has spring suspension for going over obstacles. Overall dimensions are aprox. 7.25" L x 4" W x 2" T. Width between the tracks is 2.12". Made of plastic with rubber tracks.
Trustpilot
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