USB Volcano
Here is an excellent example for the term “useless USB gadget,” the USB volcano. The USB volcano is comprised of a plastic shaped volcano which blows red plastic bubbles out from the center after you’ve filled up the jar with water.

Tags: usb gadget
Matt LeBoff
Kicking around in technology since 2002. I like to write about technology products and ideas, but at the consumer level understanding. Some tech, but not too techie.
