Ebay has Logitech Wireless Mouse M317 on sale for $2.99. Shipping is free.
Logitech Wireless Mouse M317 Multicolor Lady on the Lily 910-003702 MOUSE ONLY
http://www.ebay.com/itm/231534005130
Also available:
Logitech Wireless Mouse M317 Pink Peppermint Candy 910-003796 MOUSE ONLY
http://www.ebay.com/itm/231534005218 (Thanks @Sausen)
Item will only work if you own a Logitech Reciver.