Science game show. Richard Hammond looks at catapults and levers. Ninja Nan gets pelted with eggs, and the Lab Rats use a huge trebuchet to fire flaming cannonballs at a caravan. Show more
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Science game show. Richard Hammond looks at catapults and levers. Ninja Nan gets pelted with eggs, and the Lab Rats use a huge trebuchet to fire flaming cannonballs at a caravan. Show more