If you are lucky enough to be visiting an airshow, why not print this Air Show Checklist from Disney's Planes to take along with you? It will keep the kids busy and get them involved...
Disney Planes Air Show Checklist
Print out a special Pilot's Licence for your child, who can also use the grid at the top of this printable sheet to design their very own airplane. Fun from Disney's Planes.
Fold your own paper plane model of Rochelle from Disney's Planes, following the simple origami-style instructions here. You could also decorate your model like the picture.