9It's a natural attraction for kids. They love dolphins because they're some of the friendliest -- and smartest -- creatures in the sea. These six easy-to-apply tattoos, adorned with a touch of glitter, are sure to make kids smile. Watch their pleasure as they decorate arms, legs, and ankles with a pod of playful dolphins that swim in circles, trail a school of fish, balance on their tails . . . or leap right out of the water!