Est1614 C6-5 Single Stage Eng 91610 Compact & Lightweight: Integrated design

Compact & Lightweight: Integrated design with size similar to a 540 motor and overall weight of just 209g for simplified layout and cleaner chassis

Transmitter: Pistol-grip 2-channel

Tires: Multi-surface chunky tread pattern for awesome traction in all conditions - High-quality rubber for long-lasting durability - Pre-glued for trouble-free fit and servicing

Keeps the kit running smooth with minimal drag

direct-drive alternative to inrunner brushless motors

Est1614 C6-5 Single Stage Eng 91610 Compact & Lightweight: Integrated designThis is the C6 5 Standard Model Rocket Engines Motors from Estes. Suitable for Ages 10 & Older with Adult Supervision for Those Under 12. Features Single stage engine Standard engine designed for flights in rockets weighing less than 4 ounces, including the engine Engines tested and certified by the NAR Easy to use and comes with clear instructions Specs Length: 2. 75" (7cm) Diameter: . 69" (18mm)