well its a lil difficult saying buy somay illeagal here
Might a big 'maintenance' day out be an idea? Find a nice 'centralish' park. Get the barbies going. Bring loads of tools, lube, spare parts ( to buy sell or barter) and set to work? And all ya 'icki' stilts
Reading might fit. Got a sk8 park close by loads of flat parkland by the Thames.