Mr Watkins, who has previously broken the record for the world's lowest car three times, found the inspiration for his latest motoring endeavour while surfing the internet.
'I searched on eBay for something suitable and found a Postman Pat coin-in-the-slot children's ride from a vendor in Scotland,' he said.
'It was in non-operative order, but for what I had in mind this was of no consequence as I only wanted the bare fibreglass body from the ride.