This deal has ended.
Groupon discounts a Icing At-Home Whitening Kit from $199 to $59! It even ships for free. You can also choose the Diamond Elite Ultrasonic Toothbrush, which is discounted from $229 to $69 shipped. The icing kit includes two tubes of whitening solution, two whitening trays, and a storage case. There is a limit of 1 per person, although 3 more can be bought as gifts.