Begum9 via eBay offers the Disney Frozen Tiara and Wand Set for $11.24 with free shipping. That's the lowest total price we could find by $5, outside the mention below. It features a silvertone wand and tiara with blue jewels and a blue bead bracelet, all emblazoned with Anna and Elsa.
A close price: Bon-Ton offers it for $12.15 via coupon code "BLKFRIAUG14". Plus, coupon code "FREESHIP" bags free shipping.