Easy Foamy Piano

If you are learning any musical instrument and you are begening to learn intervals this 3-octaves piano will be very usefull, so, let's get started!
What Will You Need



These materials:
-White foamy
-Black foamy
-Pencil
-Sissors
-Ruller
-Glue stick
-White foamy
-Black foamy
-Pencil
-Sissors
-Ruller
-Glue stick
Measure the Foamy


You can make a piano of one octave, two, three or watever you want; it depends in the size of the whit foamy, for a three octave piano use a 28cm by 28 cm piece of foamy.
Cut the White Part


Cut through the lines that you have drawn
Math



Divide:
if your piano is of 3 octaves:
28 divided 4 equals 7
so:
the black notes should have 7mm of wide.
if your piano is of 3 octaves:
28 divided 4 equals 7
so:
the black notes should have 7mm of wide.


Cut the black notes
Stick


stick the black notes over the white part, in this patron:
White=W
Black=B
WBWBWBWWBWBWBWWBWBWWBWBWBWWBWBWWBWBWBW.
White=W
Black=B
WBWBWBWWBWBWBWWBWBWWBWBWBWWBWBWWBWBWBW.
Done!

Done! now you can practice the intervals in your little foamy piano.