[Valentin] is the MacGyver of model rocketry, building a small rocket out of three items many people have hanging around the house. Cat litter, matchsticks, and a ballpoint pen are the raw ...

This was the Reynolds Rocket, the first ballpoint pen in the United States. Retailing at a steep $12.95 (about $200 today), it sold out by the end of the day, raking in a whopping $100,000 (about ...