Switchrings makes the cutest fashion rings with interchangeable outerbands and wedges to suit your mood. The package includes two brightly colored double-sphered bases, and two wedges with prints of flowers, robots, animals, and other fun designs you can mix and match. Wear your love for robots on your finger, or just grab a pack of funky Switchrings so you can share them with your girlfriends. Each pack sells for for about $10.