Richard Hammond invites two teams to take part in his crazy experiments to win prizes
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Can the humble egg support the weight of a biscuit tin - or even a helicopter?
Two teams of budding young scientists test the power of magnetic attraction.
Two teams of budding scientists explore friction and perception.
The teams hang household objects from two small interleafed phone directories.
Using the Cardis, a time-travelling Porsche, a lab rat heads back in time.