Plug the USB Mice Wheel into your computer – and when you type the keyboard mice will run in his wheel! In fact the faster you type the faster mice will run! You have to plug out USB and gives your mice time to rest…Everyone likes having small furry animals around to talk to, (or is that just us?) and it’s even better when they don’t require feeding, cleaning or just watching out for to make sure the cat doesn’t get them. Great fun in the office, or as a motivation for learning to touch type!