carrera de coches improvisados sin motor

(n.) = soapbox derby race, soapbox derby

Ex. Soapbox derby races have been taking place atop Bernal Hill since the 1970s.

Ex. Soapbox derbies attract scores of loyal, serious competitors who appreciate gravity, engineering and the art of making things go fast.

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(n.) = soapbox derby race, soapbox derby

Ex: Soapbox derby races have been taking place atop Bernal Hill since the 1970s.

Ex: Soapbox derbies attract scores of loyal, serious competitors who appreciate gravity, engineering and the art of making things go fast.