Longtime trackball user, just got a Trackman Marble FX.... My God....! What a trackball!!! : r/Trackballs
Amazon.com: Logitech Trackman Marble Plus Wheel Trackball/Mouse T-CL13 : Electronics
Logitech Trackman Marble Review! (2017) - YouTube
Logitech TrackMan Marble FX Trackball
Logitech Trackman Marble FX T-CJ12 Mouse Tested Works | eBay
Ran across this subreddit and was inspired to dig out my old Logitech Trackman Marble FX. Haven't used it for 10 years, but I think I might run it as my daily
TrackMan® Marble® FX
Logitech Trackman Marble FX T-cj12 Ps2 Trackball Mouse for sale online | eBay
Logitech Trackman Marble Mouse, Four-Button, Programmable, Dark Gray - Newegg.com