Showing 13–15 of 15 results

  • 1/2A3-4T Engine Bulk Pack

    $69.99

    The Estes 1/2A3-4T is perfect for launching a small, lightweight rocket and can be used over and over again without breaking the bank. The Estes 1/2A3-4T is from the Estes Mini line of engines that have become so popular over the last decade. are. These engines have one of the lowest cost-per-flights of any rocket engine available anywhere.

    PLEASE NOTE: This item will ship by US Postal Service only. You MUST HAVE a physical mailbox or post office box for delivery.

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  • C6-5 Engine Bulk Pack

    $99.99

    The C6-5 is a high-thrust engine in the C class intended for mid-to lightweight rockets, or for rockets with an aggressive drag profile. Consider the C6-3 for heavy rockets, or those with a large drag profile, that need a longer delay.

    PLEASE NOTE: This item will ship by US Postal Service only. You MUST HAVE a physical mailbox or post office box for delivery.

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  • Blast-Off® Bulk Pack

    $79.99

    The Blast-Off Bulk Pack includes a variety of different engines – perfect for experimentation. These engines will allow your students or campers to test rockets across a range of impulse options. This bulk pack includes 6 A8-3 engines, 6 B6-4 engines, 6 C6-3, and 6 C6-5 engines!

    PLEASE NOTE: This item will ship by US Postal Service only. You MUST HAVE a physical mailbox or post office box for delivery.

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