Magical Unicorn Necklace for princess party favors. This whimsical unicorn necklace is fit for a princess. This necklace is perfect for a party favor bag. Stock up on all your Princess party needs at US Toy. We have the sparkle, bling, glitter, and of course the pink you need to make little princesses happy. With a wide selection of costume accessories and favors we have exactly what a princess needs.