Maybe work out cheaper/better to buy something like these?
http://www.ebay.co.uk/itm/NEW-kids-s...item3ccdcd54be
http://www.ebay.co.uk/itm/Rampage-Si...item35ba998a8b
Theres loads on the bay. Ranging from a tenner upto some mega money.
What you reckon?
Some of them can stack inside each other for storage and also side by side to double the width.