Also great for kids of age to carry a house key - Bracelet key, no more putting keys in your pocket. Great for jogging and wearing pocketless pants. Dude I'm 14 and I still lose house keys I need this badly.
Rain Drum - Rain drum is an innovative umbrella that features various kinds of sound, making the most interesting amusement for user during rainy days. The Rain Drum umbrella is an idea of the designer Dong Min Park.