This high performance shaft driven assembly kit Mini 4WD will provide you and your friends' hours of fun battling each other on the race course. Installed onto the Astro-Boomerang's low center of gravity Super-1 chassis are rollers with rubber rings and a super counter gear, removable side guards, high gripping slick tires and much more. You can choose from two kinds of gears for matching the course layout. The low track hugging form, front wing, and large motor cooling air duct give this machine its own distinctive style. No glue is required with assembly. A rich assortment of grade-up parts are available allowing you to customize your machine

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