Check the listing for details. Estes Double Ringer Flying Model Rocket Kit | Easy to Build Beginner Rocket | Fu. Condition: New. Listed at 10.99 USD. -- BRAND NEW, NEVER OPENED ---- Ships in 1-2 business days. -- BUILD and launch your own high-flying model rocket! There’s no thrill quite like launching a model rocket, watching it streak skyward, reach peak altitude, and then return gently to earth. When you build them, the thrill is even better. Thanks to Estes model rocketry, kids can explore the wondrous world of science while experimenting with different combinations of rockets, engines and accessories to better understand how rockets reach outer space.SKILL LEVEL: The Double Ringer is an easy-to-assemble Beginner level rocket with pre-colored snap together parts.RECOMMENDED ENGINES (not included): C6-3PROJECTED ALTITUDE: 500 ft. (152 m) on a C6-3ESTIMATED ASSEMBLY TIME: 30 minutes (glue drying time not included)LAUNCH SYSTEM: Porta-Pad II Launch Pad w/ 1/8 in. rod and Electron Beam Launch Controller.AGES: For boys and girls ages 10+ with adult supervision for those under 12, and rocketeers of all ages.