This is the T-Minus 5 Two Flying Model Rockets Starter Set by Quest. Suitable for Ages 10 & Older with Adult Supervision for Those Under 12. FEATURES: Flies up to 1000 feet Includes everything you need to launch your rocket K1 Parachute recovery rocket K2 Streamer recovery rocket Comes in sturdy re-usable box with handle Detailed assembly and launching instructions INCLUDES: One T-Minus 5 K-1 Series Model Rocket One T-Minus 5 K-2 Series Model Rocket Three A6-4 Model Rocket Engines (Motors) (QUST5740) Three Q2G2 Model Rocket Igniters (QUST7024) One launch pad (QUST7610) One launch controller (QUST7510) Twelve sheets of Quest Recovery Wadding (QUST7021) REQUIRES: Assembly Plastic cement (HCAR3415) Finishing supplies One 9V battery for launch controller (FUGP4601) SPECS: K1 Rocket Length: 13" (330mm) Diameter: .79" (20mm) Weight: .7oz (24g) Recovery: Streamer Max Altitude: 1000 ft (305m) Motors: A6-4 (QUST5740) - first flight or A8-3 or B6-4 (QUST5741) K2 Rocket Length: 17.25" (490mm) Diameter: .90" (25mm) Weight: 1.5oz (42.5g) Recovery: Parachute Max Altitude: 1000 ft (305m) Motors: A6-4 (QUST5740) - first flight or A8-3 or B6-4 (QUST5741) or C6-4 tlh 2/28/11