Paul K. Guillow, Inc. - your one source for balsa wood airplane kits & flying toys since 1926. From the Fokker triplane to the Sopwith Camel of WWI to the P-51 Mustang & P-38 Lightning of WWII to the modern day F-15 Eagle fighter jet you will find that these balsa airplane models appeal to both the young and the "young at heart". Who doesn't remember those shiny red propellers on his favorite toy airplane!