I can't believe you didn't build it and fly it at the Nats. Looking at the "Description" it looks like it would make a fine "Dirt Mobile".
Are you sure the nails are for installing the bell crank? I was thinking Engine Mounting hardware.
The K-12? Kindergarten through 12th grade? Interesting kit.
http://cgi.msn.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=5936663331&ssPageName=STRK:MEWA:IT
Regards,
John Jolley