This is the Critical Mass & No Mercy Complete Starter Set by Quest. Suitable for Ages 10 & Older with Adult Supervision for Those Under 12. FEATURES: Fly your micro-rocs in your own backyard Launch site 75 foot max altitude Q2 launch controller with arming light and sound Comes in sturdy re-usable box with handle Detailed assembly and launching instructions INCLUDES: One Critical Mass rocket 6 Micro Maxx motors with MMX-G2 igniters Complete launch system REQUIRES: Assembly One 9V battery for launch controller (FUGP4601) SPECS: Length: approx. 5" (127mm) Recovery: streamer Max Altitude: 75 ft (22.86m) tlc 8/22/11