gravity racer
nounEtymology So called because it has no motor and is raced down a slope, relying on gravity.
1
Synonym of soapbox car.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Etymology So called because it has no motor and is raced down a slope, relying on gravity.
Synonym of soapbox car.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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