This is an EDUCATORS PACK of 24 Gnome Estes Rockets only. Recommended for ages 10 years and up with adult supervision for those under 12. This rocket is almost ready-to-fly skill level E2X. These packs are used for classroom learning about rocketry. FEATURES: The Gnome rocket also available individually (ESTT0886) Flies 800 feet in the air Streamer recovery INCLUDES: Twenty-four Gnome Flying Model Rocket Kits REQUIRES: Assembly White or yellow glue Finishing supplies Igniters (ESTT2301) Recovery wadding (ESTT2274) Launch controller (ESTT2220) Porta-Pad II launch pad (ESTT2215) Engines: 1/2A3-2T (ESTT1503) - first flightator pack) - first flight or 1/2A3-4T (ESTT1504) or A3-4T (ESTT1507) or A10-3T (ESTT1511) 4 AA batteries (ASCP0302) - for launch controller SPECS: Skill level: E2X - Easy to Assemble Length: 10.5" (26cm) Diameter: .54" (14mm) Weight: .5oz (14.2g) Recovery System: Streamer Projected Altitude: 800ft (244m) COMMENTS: Due to small parts that could cause a choking hazard please keep away from children 3 years of age and younger For your safety and enjoyment, always follow the NAR Model Rocketry Safety Code while participating in any model rocketry activities tlc 11/30/11