Speaking of exercise...

marleylikeair

http://www.youtube.com/watch?v=2lXh2n0aPyw

Piano stairs! To make taking the stairs more fun! Awesome. I could see these cropping up in NYC subways soon.

niknik15

Thats awesome! now I want to make my own set of musical stairs

LizzyTish88

They have those in the Museum of Science in Boston. They are fun!

marleylikeair

cde, that's awesome. I'll have to check it out next time I'm in Boston (who knows when that'll be?!).