They decorated a canvas bag, his is a plane, of course. :)
Believe it or not, this is a kite! Also decorated with planes :)
The green strings are the kite strings.
Overall he had lots of fun. This was followed up with a ballgame, movie and sleepover at the local minor league baseball ballpark. He did this with his dad, I'm so not a sleep-on-the-ground person :)