http://www.hotukdeals.com 
are providing a link to some free workshops that Halfords are running over the summer hols
The offer is via the halfords website, and i guess numbers are limited, but i just managed to get the ” little est oldmanleslie ” on one so it may be well worth a look
From the halfords site, they describe it as …….
” This Summer we’re holding free bike workshops to show 7 to 11 year olds the basics of things to check on their bike.
Spaces are limited so click on the button to book your place
Halfords will be running a free bike workshop to show 7 to 11 year olds basic bike maintenance such as how to fix a puncture, how to put a chain back on, how to adjust a saddle and basic bike safety.”
Good luck if you choose to have a go.
Oldman Leslie's Blog 