V2 Model Rocket Kit from Estes®. Suitable for Ages 10 & Older with Adult Supervision for Those Under 12. Skill Level 3. Awesome is the word for the kit! Standing 22.4 inches tall and when powered by an E9 engine, this rocket can soar over 700 feet high! A great color scheme makes the V2 easy to see in the sky. 3/16" Maxi Launch Rod required to launch.