Looks a little like Mabel's invalid car Zip.
dont be ridiculous zipper.
is it a back to front robin kit car?
Here is another fab machine, petrol milk float, imagine that going down the road at 60mph
http://www.ebay.co.uk/itm/221400993893
BOND MINCAR MARK G ESTATE MICROCAR BUBBLECAR 3 WHEELER RARE BARN FIND NOT BUG
http://www.ebay.co.uk/itm/2812982261377 bids, £2,300.00 reserve not met..