This seems to be a small mouse:
Logitech Cordless Mini 931396-0403 Silver 3 Buttons 1x Wheel USB RF Optical Mini Mouse - Retail
Price is good too
Yes, they are hard to change and since I'm really not into do a whole lot of things on line, I've never attempted to learn how to do a bunch of new things. Just be thankful that I did manage to learn how to do paragraphs! I'm very embarrassed by my early post here.