Cactus Ranch Elementary School Robots, high-tech farms, superhero gadgets and more! Invent the Future Today in Camp Invention®! Check out our new program, Supercharged™! We’re lucky enough to be hosting the program at Cactus Ranch Elementary during the week of May 28-31, 2019 for students entering grades K-6. Sign up by visiting invent.org/camp or calling 800-968-4332.