Balsa wood airplane enthusiast John Robison flies his handmade Farman Stratoplane, designed from a 1930s airplane, on a sunny Sunday, Sept. 27, 2020 at the South Hill Sports Complex in Spokane, Wash.

Many readers may fondly recall building rubber-band-powered balsa wood model airplanes. While the things were kinda cool, they didn't fly for long, nor could they be remotely controlled. Such is ...

Powered by twin motors and controlled through smartphone via Bluetooth, Powerup 4.0 can attach itself to paper, light balsa wood, and foam hobby planes under 20 grams to enable powered flight.

Lots of kids wish they could build an airplane and fly away, but Dutch teenager Jesse van Kuijk has become one of the rare few to make it happen with his pedal-powered plane made out of balsa wood ...