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Inspire curiosity
The Estes Pro Series II™ lil’ Spite™ introduces students to real-world engineering and creative problem-solving
Constructed from tough ripstop nylon
The Estes Baby Bertha™ offers educators a reliable and engaging way to teach core STEM concepts through rocketry
Creative and Customizable Design
F15-4 Engine Bulk Pack 502 Inspire curiosityThe Estes F15 4 Engine Bulk Pack is built for educators who want to give their students a hands on lesson in real rocket science. This 8 engine bulk pack is perfect for classrooms, camps, and STEM clubs ready to take their rocketry experience to the next level. With 8 engines, 10 starters, and 8 starter plugs included, you can power multiple rockets in one session and keep students engaged in every stage of the experiment. The F15 4s 29 mm size brings