BTRDA Woodpecker Rally.
Get in contact with Sixty & Worcestershire Motor Club Ltd.
Rally takes place on 4th Sept.
Based at Ludlow race course. See if you can have an area and set up a track/display area.
The rally drivers are bound to be interested and could get there kids/relatives involved.
info link
http://www.btrdarally.com/events.asp?id=78