Sign up for
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
People often take umbrellas on a rainy day. When going to a store, they put their umbrellas into the umbrella stand near the entrance.
but it usually happens that someone gets the wrong umbrella or forget to take theirs. As a result, we design a device on umbrellas which can remind people to take their umbrellas when they leave the store.