X-arcade game controller: additional huge with track ball - $100 obo--.
It is the previous variation butvsame functions as the link below (measurements are about 36"large, 16.5" deep, and 6.75" high) -.
/store/arcade-joysticks-and-game-controllers/product/x-arcade-tankstick-includes-usb-cables/.
You will certainly have to pick it up in Oxford asap.