Lenovo offers Lenovo Gen II USB Numeric Keypad for $14 (reg $19.99) after code with free shipping.

Apply Code: EXTRA5

Product Description:
No matter what type of professional you are, you’ll appreciate the efficiency and portability of the Lenovo USB Numeric Keypad Gen II. It’s got all the features of our classic keypad, but with a more stylish, and functional design. Just plug it in, wait a few seconds, and you’re good to go. 

• Driver-free plug and play wired USB connection for quick setup
• 19-key full-size keypad ready for your every command
• Easy, error-free typing with user-friendly LED-illuminated, isolated NumLock key
• Dedicated productivity keys - Tab, Backspace, 00/IN allow you to work faster
• Light and portable design, perfect for the office and travel
• Family ID with Lenovo Essential keyboards