How small? Small enough to fit in a backpack: Estes is a storied company dating back to the 1950s, known for its model rockets for hobbyists. CPR reports that the tiny firm, which has estimated ...

Stick an Estes motor in that thing and send it ... [Concrete Dog] has come up with HEXA, a clever model rocket kit that uses pre-scored cardstock instead. The immediate advantage is that this ...

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