Never mind singing, how about studying in the shower? With various subjects and even languages to choose from, your bathroom could turn into a study hall. You can keep your vocabulary fresh, your knowledge of geography up to date or even just memorize the NYC subway system which always comes in handy.

1 SAT words $26
2 Periodic Table Shower Curtain $30
3 French vocabulary $26
4 NYC Subway Shower Curtain $30
5 Chinese Vocabulary Shower Curtain $18
6 World Map Shower Curtain $19
7 German vocabulary $26
8 Weather Shower Curtain $30