Contest as railway modellers compete to create miniature masterpieces against the clock.
Tim Shaw joins Chris and Justin Nelson to discover ways in which people can use science to succeed in life.
Tim Shaw and Buddy Monroe `supersize' online viral stunts to see how they are achieved.
Meet car enthusiast and TV presenter Tim Shaw and master mechanic Fuzz Townshend as they join forces to rescue rusty classic vehicles from their garage prisons
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