this ad is for the sale of one (1) used, but complete, Happ Controls 3" Trackball removed from an Incredible Technology (IT) machine (Golden Tee Golf, Silver Strike Bowling, Bags, Target Toss, etc). these include what is pictured in the Happ Controls link below.
the cost is $35 for one unit, plus shipping
if you wish to purchase a lot of 10 units (or more), I will do $25 per unit (or $250 for the lot of 10).
I currently have about 35 units in stock and more will be available in the future.
here are the links to the new trackballs and to the repair kits from Happ Controls for comparison.
trackball assembly $89.99 NEW
https://na.suzohapp.com/products/trackballs/56-0100-11HL
3" trackball repair kit $44.85 NEW
https://na.suzohapp.com/products/trackballs/95-0831-WB
let me know if you have any questions.