Useless Box / Leave me alone!
Useless box is also called useless machine, it’s an interesting stuff to play with. When you touch the button, a cute arm comes out and turns itself off. It’s like somebody in a bad mood, who you just can’t stop making fun of. Although it has a name of useless, it will definitely bring you a lot of fun. Just put it on your desk, you will give vent to all your bad feelings each time you play with it. It’s also a perfect gift for birthday as well as Christmas Day.