Build your own rocket nothing compares to the thrill of building your own fully functional, flying model rocket. Great for long time hobbiest or budding scientists and engineers. Skill level an Expert level kit, The sasha is intended for model rocketeers that have advanced building, finishing and model rocket launching skills. Recommended engines not included rocket only c11 3, c11 5, d12 5, e12 6 Two Stage rocket d12 5, d12 7, e12 8 booster d12 0, e12 0 Projected altitude 2300 ft. 701 m Estimated assembly time 6 hours painting and glue drying time Not included