Logitech Trackman Marble Trackball Maus – kabelgebundene USB ergonomische Maus für Computer mit 4 programmierbaren Tasten, dunkelgrau : Amazon.com.tr: Bilgisayar
Logitech Trackman Marble Mouse
Just got this beauty for my Win98 machine: Logitech Marble Mouse (PS/2) : r/Trackballs