B6-4 Engine Bulk Pack

The Estes B6-4 Engine Bulk Pack is a trusted choice for educators, youth program leaders, and science instructors who want dependable performance for hands-on learning. These medium impulse engines deliver the power needed to lift larger or heavier rockets to impressive altitudes while providing stable, predictable flight paths that make each launch a valuable teaching moment. In classroom settings or group launches, consistency is key. The B6-4 engine performs reliably across multiple rockets, making it ideal for activities where every student should experience a successful launch and recovery. The moderate impulse range allows students to clearly observe takeoff, coast, and parachute deployment, reinforcing key concepts in aerodynamics and physics. Each bulk pack includes everything needed to prepare for 24 launches, including engines, starters, plugs, and recovery wadding. This complete setup helps teachers streamline lessons, minimize downtime, and focus on student engagement and