[Valentin] is the MacGyver of model rocketry, building a small rocket out of ... Cat litter, matchsticks, and a ballpoint pen are the raw materials that he rounded up before setting to work ...

Small enough to fit in a backpack: Estes is a storied company dating back to the 1950s, known for its model rockets for hobbyists ... to bring in that year [of] supply as a backup,” but ...

When you’re building and launching a variety of advanced model rockets like [Joe Barnard], you don’t want to spend time building (and debugging) specialized flight computers for every rocket ...

Estes Rockets is the country’s biggest manufacturer of model rockets for hobbyists, and it’s stockpiling parts from China.

One just launched the world’s biggest rocket, with mixed success. The other makes small model rockets for hobbyists, and it’s ...