Amazon offers the Litchi Electric 13-in-1 Nail Care Kit in Rhodamine Red or Grey for $39.99. Coupon code "VPI4EICN" drops it to $29. Plus, Prime members bag free shipping. That's $10 off list and the lowest price we could find. It features two speeds and nine interchangeable attachments to file, shape, and buff nails, smooth calluses and corns, and remove dead cuticles.