Estes Mini Bertha Flying Model Rocket Kit 10420 while the clipless monster truck

while the clipless monster truck body features molded details and aggressive styling that screams attitude

hardened steel (2) (for use only with #9557 driveshaft) (fits Sledge®)

automotive detailing

Ready for Use Upon Opening

a high-torque and speed steering servo will always be at the top of the upgrade list

Estes Mini Bertha Flying Model Rocket Kit 10420 while the clipless monster truckThe Estes Mini Bertha Rocket Kit is a perfect introduction to model rocketry, offering beginners an exciting experience with its mini engines and streamlined design. This scaled down version of the classic Bertha rocket captures the essence of rocketry fun, making it an ideal choice for new and experienced hobbyists alike. Soaring to a maximum altitude of six hundred fifty feet, the Mini Bertha delivers awe inspiring launches and safe landings thanks