Balsa wood gliders used cost a 10-25 cents apiece, but today start at $1.50 and go up to several dollars. Guillow also makes both un-powered and powered remote control planes from plastic foam ...

Speaking of balsa wood . . . Where does the balsa tree ... The unique tree started me thinking about those balsa wood airplane gliders kids played with for decades as early as the 1930s and even ...

My son, Ian, is working on a 7th grade science project, and is studying what wing position works best for maximum glide — that is, for a balsa wood glider launched from our roof.