But pointing out that lightweight cardboard tubes can be tricky to ship without getting crushed, [Concrete Dog] has come up with HEXA, a clever model rocket kit that ... for a DIY rocket, as ...
As a subsidiary, GoldieBlox seeks to empower girls and give them skills for the future with STEAM (science ... kits with our kindergartener, Bucky. Here are our experiences with them. GoldieBlox ...
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