Groupon offers the Disney Frozen 4-Piece Figurine Set for $6.99. Coupon code "SALE10" cuts it to $6.29. With $3.99 for shipping, that's a buck below last week's mention, and the lowest total price we could find by $1. It includes Elsa, Anna, Olaf, and Kristoff. Deal ends December 30.
Of note, this code can only be used once per account.