The Tamiya 70251 Rubber Band Powered Trike provides a practical way to explore mechanical ideas through building and trial runs. It is aimed at hobbyists and curious young makers who enjoy step-by-step assembly and performance testing.
The trike measures 193mm in length, 72mm in width and 94mm in height, giving it a noticeable presence on a shelf or track. Its rubber band drive is set via a push rod so users can alter tension and observe how stored energy turns into motion.
This kit includes two gear setups for different run characteristics. Use the 9:1 power ratio for faster acceleration or the 27:1 stamina ratio for longer, steadier travel, making it easy to compare how gearing affects results.
Assembly involves snap-fit parts plus screws that require common hand tools. The package contains five No.14 rubber bands, and the design also supports No.16 bands for those who want to vary speed and runtime.
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