Play Impossible Corporation

Play Impossible makes the Gameball, a sensor-infused smart inflatable ball that links to a smartphone app and lets people compete in physical digital games. The ball contains an accelerometer, barometer, microcontroller, and ultracapacitor that sends real-time movement and impact data via Bluetooth. Sold exclusively through Apple Stores and Apple.com, the Gameball targets families, athletes, and educators — teachers use the device to introduce algebra and physics concepts in schools.