Guillows Balsa Wood Gliders Jetfire Twin Pack & Sky Streak Twin Pack Gift Set Bundle - 2 Pack (4 Planes Total), is AWESOME! Jetfire Twin Pack - Travel back in time with the Jetfire Glider. This balsa wood toy is an American original plane by Guillows. She soars up to 25 feet with a 12 inch wing span. Our package includes 2 gravity and wind powered flyers for racing or sharing. Sky Streak Twin Pack - Wind up the rubber band powered engine and away she flies. This balsa wood toy is an american original plane by Guillows. She soars up to 50 feet with a 12 inch wing span. Our package includes 2 propellor powered flyers for racing or sharing. Perfect for travel, party favors, giveaways, schools, organizations, stocking stuffers & so much more! For Ages 8 and up - Fun for the whole family!