Estes Rockets
BT5 - BT55 Centering Rings
BT5 - BT55 Centering Rings
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Centering Rings! 26 pieces. 5 popular sizes.
Includes 26 Centering Rings in 5 different sizes. BT5, BT20, BT50 and BT55. Perfect for making your own engine mounts!
Live, Online Training and 1:1 Support!
Estes Education has been a leader in STEM education for over 60 years. We know that STEM is a vital interdisciplinary topic that requires hands-on and inclusive learning. Explore these supporting materials to take learning to new heights!
Should you have need, you can meet with a member of Education team for FREE, 1:1 online support to learn rocketry basics, how to apply our curriculum, and discover unique teaching strategies. Our team is eager to answer your questions!
Learn About Model Rocket Safety!
Not sure how to safely launch a rocket with your group? Head over to our dedicated Safety instructions page for videos, support, and more!