A lot of Five Vintage Guillow's JETFIRE Ready to Fly GLIDER No. 30 Balsa Wood Airplane Kits with a Plastic Canopy- New Sealed and Unopened.  These kits appear to originally been 19 cents, but a sticker was added to increase the price to 25 cents.  One of the kits contains two of the plastic canopies. Made in U.S.A.