Logitech Marble Mouse Corded Trackball PS2 Port Connector White with Red Ball | eBay
Kensington Orbit TrackBall - Wired Ergonomic TrackBall Mouse for PC, Mac and Windows with Ambidextrous Design, Optical Tracking & 40 mm Ball – Space Grey (64327EU), Silver : Amazon.co.uk: Computers & Accessories
The 3 Best Trackballs for 2024 | Reviews by Wirecutter
Kensington Orbit Elite Mouse Trackball Corded USB Both Handed Black/Silver Ref 64327EU