Gentlemen and ladies start your engines.
We're testing "Radical Racers" in tonight's Does it Really Work.
The maker claims these little cars can defy gravity by racing on not just floors but walls and ceilings too.
Kurt shows us more.
Does It Really Work: Radical Racers
Gentlemen and ladies start your engines. We’re testing “Radical Racers” in tonight’s Does it Really Work. The maker claims these little ...