They are all among the repurposed parts ... model, now lifting off from store shelves. The $259.99 (€259.99 or £219.99) set, which was released Saturday (May 18), includes both the rocket ...

In this case, though, we’ll respectfully disagree with [Zach Hipps] assessment of his remote-controlled soda bottle rocket launcher as ... mainly from 3D-printed parts but with a fair selection ...