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glass power cylinder & thermal cylinder which allow you to see the engine's parts move during operation
The flywheel has no magnet
stimulate interest in scientific exploration
Features: Long stroke engine provides more torque
and the piston moves from the top dead center to the bottom dead center
FS Racing 53815-FD 1/10 2.4G 4WD Electric Wireless RC Monster Crawler Car Version:RTR Version glass power cylinder & thermalFS Racing 53815 FD 1 10 2. 4G 4WD Electric Wireless RC Monster Crawler Car Features: . Three level bottom plate design, box bottom plate design, high strength. . Dustproof gear box design, transparent gear cover. . Upgraded steering gear with better performance. . High simulation front and rear anti collision plates, high bright light design, head up wheels, high simulation tires . Limited slip middle gear, axle and differential. . The whole car uses
US$ 24.98
US$ 47.95
US$ 41.95
