Rubber - $3.95 Specially formulated 1/8" rubber for ornithopter
kits. Far superior to office-grade rubber bands. Use with
the lubricant shown below. Fifteen feet in each pack, enough
for ten motors.
Lube - $2.95 Lubricant for rubber band motors allows more turns and
much longer flights! Natural, non-toxic castor bean oil in
a 1/2 ounce squeeze bottle. Essential for rubber-powered ornithopters.