Episode Overview
In the second semifinal showdown, the task is to create a steam-powered vehicle. One group stumbles upon an unusual three-wheeled car and enhances it with a steam engine, while their rivals opt to construct a dragster. However, these contraptions aren't ready for the streets just yet. During the race, one car suffers a snapped drive shaft, requiring urgent welding mid-competition, while the other vehicle lacks brakes and has to reverse in order to climb hills.
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Season 3 Episodes 10
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