Burly, big, and beautiful! Over the decades this is the first big rocket for many modelers! Slow, realistic lift-offs from this true classic! 24 in. long, 1.64 in. diameter, Parachute recovery, Die cut balsa fins, Max. Altitude 500 ft., Recommended Engines- B4-2, B4-4, B6-2, B6-4, C6-5