Weird and wonderful items come up for sale on eBay every day - here are some of our favourites.
It probably seemed a great idea down the pub... This upgrade bolted a turbo jet engine and hydraulic motorcycle brakes onto a Sinclair C5 and guaranteed a terrifying 100mph on a "long smooth surface".
Advertised as "very noisy and very dangerous", the hybrid death-trap could have been yours for just £3,999.99.