http://www.amazon.com/Logitech-Gaming-Adjustable-Weight-Tuning/dp/B00CJD4HD2
http://www.amazon.com/Logitech-Gaming-Adjustable-Weight-Tuning/dp/B00CJD4HD2/ref=sr_1_6?s=electronics&ie=UTF8&qid=1398684403&sr=1-6&keywords=logitech+mouse
What items are eligible seems to be hit or miss. I've been wanting to get a new mouse, so was thinking I could possibly do it through this promo. But some gaming mice are included, while others are not.