Red Bull Soapbox Race

Amateur teams finish their homemade vehicles ahead of the London soapbox race.

Competitors prepare their gravity-powered racers for the forthcoming London event.

Teams work on their soapboxes before taking on the London downhill course.

Teams test their unfinished vehicles at local soapbox derbies.

The teams make final preparations for the London soapbox race.

London competitors steer their homemade vehicles through a downhill obstacle course.