Maybe this is what you are looking for.

U.S. AirCore 40 Trainer Kit .40-.50,64"
http://www2.towerhobbies.com/cgi-bin...XKH24&P=0#tech
64.99

Fuselage, wings, and tail set made of precision die-cut and
completely pre-decorated, super-durable AirCore material.
Simply fold and glue together with contact cement.
Aircore material bends and returns to it original shape upon impact.
Power Cartridge holds all onboard equipment (engine, servos, tank,
RX, battery) and is transferable to any compatible AirCore plane.