A team of expert builders will try to construct this unique invention using only materials available in da Vinci’s own time. It’s a modern twist on the classics, but will these outrageous machines work? Scythe Chariot The danger level hits a new high when the team devotes their talent to re-creating Leonardo’s deadly bladed chariot. But instead of horsepower, the team updates da Vinci’s 15th-century design with robot power.