Skill Level 3. A highly detailed sport scale model of Nasa"s next launch vehicle. The kit features beautifully detailed and pre-printed body wraps. There is no painting necessary - just cut out the wraps and use spray adhesive to apply them to the tube surface. Recovery: Parachute - Fin Type: Balsa - Length: 21.6in - Diameter: 1.574in - Engines: B6-4 (first flight), C6-3, C6-5