And <a href="http://thelilthingsblog.blogspot.com/2015/04/diy-confetti-phone-case.html" target="_blank">here</a> is another DIY nail polish version to try:
DIY Marbled Phone Case Tutorial
with nail polish
DIY: Ombre Phone Case! Made with Nail Polish!
DIY phone case, inspired by one I saw on etsy
A DIY phone case decorated with nail polish.
Cool nail polish phone case!!!! DIY
10 Cool DIY Crafts for Teens - Craftfoxes
DIY wooden bracelets. This would be a nice mother's day gift for a class to make sometime.