The Gee Willikers is easy to build and fly.
You can download the drawings of this RC aircraft model, print them, cut and assemble an airplane model for the evening.
The Gee Willikers has flown, and goes well on two cells outdoors; have not tried it from water yet, still 'splash-proofing' the electronics as well as I can.
Mike built this RA Cores GremTwin RC plane and decided to test fly it on Sunday at the Tokoroa Airfield (NZTO) -- with the help of hundreds of flying-ant co-pilots and Neil on hand-launch