The Super Shot Nitro Mini rocket delivers high performance and streamer recovery in an easy to build kit. The Nitro rocket can fly over and over. After each flight, simply insert more recovery wadding, repack the streamer, and insert a new Estes model rocket engine with an igniter and plug. Place on the launch pad and blast off! SPECIFICATIONS- Length 5.25 inches Diameter 0.693 inches Weight 0.46 oz Recovery 9 inch streamer Maximum Altitude 700 feet Recommended Engines - 1/4A3-3T, 1/2A3-4T, A3-4T or A10-3T KIT INCLUDES - Rocket, Launch Controller, Rocketeer's guide, Hi Viz Rocket Streamer, Launch Pad, Safety cap with streamer and Instructions. REQUIRES - Estes Model Rocket engines Igniters Wadding Four AA batteries for launch controller. Recommended for ages 10 and up.