This object looks like an AC adapter--a device commonly called a "wall wart"--but it's actually a computer mouse. Alec Smecher, a software developer and artist who specializes in "technological surrealism", built it. There's a hole in the bottom to emit a laser and thereby provide optical tracking. The prongs act as buttons
FREE SHIPPING SALE - All T-Shirt Orders Get Free Worldwide Shipping
That's right: free shipping whether you're in the USA or anywhere else in the world!