Pay in 4 interest-free payments of $3.25 Learn more
Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
Looking for a classic Estes rocket kit with a modern twist
Track-ready with refined features for an optimized experience
The RPM True-Track rear end kit completely eliminates the rear toe links
over-discharge and over-charge incidents which can be helpful data in assuring that the battery you’ve chosen is right for the application
Estes B4-4 Standard Engine(3) 010027 Looking for a classic EstesThe Estes B4 4 is a reliable, single stage 18 mm engine designed for model rockets weighing under 3. 5 ounces. With a balanced 4 second delay, it's a perfect fit for smooth, stable flights and consistent recovery deployment. Each 3 pack includes three engines, four starters, and four starter plugseverything you need for several successful launches. Ideal for hobbyists and STEM projects alike, the B4 4 delivers steady performance with every flight.
US$ 13.95
US$ 39.95
US$ 131.00
US$ 11.00
US$ 113.60
US$ 14.95
US$ 13.95