Estes QCC Explorer Flying Model Rocket Kit 3221 Skill Level 4 New Estes QCC Explorer Flying Model Rocket Kit #3221 offers a fun and challenging project for enthusiasts of all levels. This multicolor, 1:600 scale model rocket is constructed from wood, paper, plastic, and metal components. Designed for ages 12 years and up, this limited edition rocket features a unique design and is rated at an advanced skill level 4. The kit is compatible with C, D, and E engines and is capable of flying up to 1225 feet. Measurements: • Height: 35in • Weight: 1.54lb • Diameter: 1.64in #Unisex