James May attempts to build a motorbike and sidecar entirely out of Meccano to take round the Isle of Man's famous TT circuit. But designing a machine capable of carrying James and his passenger, wine expert Oz Clarke, around the daunting 37-mile course is not a task for the faint-hearted.

15,000 pieces of Meccano must be assembled to create a full-size, road-legal motorcycle that James hopes will be more than a match for the circuit's treacherous twists and turns, steep climbs and dizzying descents. And as in the real TT, the bike must race against the clock. Show less