Piano Key Name Cards

Save pianos from stickers or markers that are sometimes used to help students remember the names of the keys.
 
This 19" card has all of the names of the black and white keys, sharps and flats, that correspond to the notes on a grand staff. 
 
It's super simple to use: Slide it behind the keys and line up the black key groups. The fold is on middle C.
 
This is a low tech solution to a common problem with beginning students. 
 
Comes with a two octave scale cards as a bonus.