Green Useless Box Plastic Useless Box

Name: Green Useless Box Plastic Useless Box
Made of high quality and metal fastener, this useless box is eco-friendly and odorless, can stand long time use, reliable quality, not easy to be broken.
It has a simple and elegant appearance and is an incredibly funny desk gadget, a desk novelty that won't be forgotten, not only can pass the boring time, but also can play with a friend.
With this useless box perpetual machine every time you flip the switch on, a little finger pops out and turns itself off.
Note:
Power supply: batteries (Not included)