This is the original Model Craft Wasp. It has a 60" wingspan and was designed as a Class B or C gas powered aircraft with .15 to .25 engines. This model was designed by the 1938-1939 Senior Canadian Champion Robert Milligan. Pre-1942 design, eligible for Society of Antique Modelers (SAM) contests. This free flight gas powered model kit contains a full size rolled plan, printed balsa parts, hand-picked balsa sheet wood and balsa strip wood, laser cut aircraft grade plywood, hardwood, and music wire. You will need an engine, fuel tank, fuel, propeller, wheels, building board set, cutting tools, wire cutters, pliers, fine sandpaper, glue, and covering material.