ELECTRIC PAINT!?

You draw a picture using the electric paint, attach the wires to a bit of the paint, touch the picture and ta da! Your drawing is now a musical instrument!

Something I honestly found very cool...

https://video.wixstatic.com/video/a76ff7_bd33f23dcdd848fbb41fac0ae855a79d/1080p/mp4/file.mp4