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  • 1/2A3-4T Engine Bulk Pack


    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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