No finishing or assembly is required for the Sky Hawker as it comes ready to fly right out of the box. When powered on standard engines, this rocket can reach over 1,100 feet high. It returns for a smooth landing with a 12" preassembled parachute. Recommended engines: A8-3 (First Flight), B4-4, B6-4, C6-5, C6-7. Projected maximum altitude: 1125 feet (343m). For ages 10 and up with adult supervision for those under 12.