Estes B4

New Century Rocketry Verified independent store

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The Estes B4 rocket motor is an 18mm rocket motor designed for flights in lightweight rockets. Each package includes 3 engines, 4 starters, 4 plugs and 12 sheets of recovery waddin g.ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions or Click Here for State Specific Restrictions. Show more