Nails are something which instantly improve your appearance. Some people bite their nails, a habit hard to break, believe me. Others have claws which are incredibly hard to maintain. A medium size nail is perfect to create lots of different art styles on. A style which is so easy to create, and perfect for any age is pastel pink with studs/diamonds, or glitter. A perfect Ballet inspired nail creation.
Take a look at some of these.
(images courtesy of Tumblr & Pinterest)