With her sketchbook labeled My Inventions and her father's toolbox, Mattie could make almost anything - toys, sleds, and a foot warmer. When she was just twelve years old, Mattie designed a metal guard to prevent shuttles from shooting off textile looms and injuring workers. As an adult, Mattie invented the machine that makes the square-bottom paper bags we still use today. However, in court, a man claimed the invention was his, stating...
Refrigerator art and experimental LEGO cars are proof kids have vivid imaginations, but sometimes they have ideas for ingenious things that change the world, like popsicles (age 11), the trampoline (age 16), swim flippers (age 11), and earmuffs (age 15). What would you do if your kidventor came up with a mind-bending invention that was actually viable? The parents of the kids below all answered, "Patent it, build it, and/or sell it!"