This particular Instructable is made for the Electronic Textile workshop that will be held in Zurich/Switzerland on Saturday 7th December 2009 as part of the DIY Festival Zurich. If you are interested in this workshop, please contact the festival.
Step 1: What you need
-Toy piano (batteries included)
-neoprene (or normal thick fabric)
-fusible interface (iron on)
-3mm foam sheet
-ink jet iron on paper
-ink jet printer
Step 2: Open the Toy Piano
There are circuit, speaker and batteries inside.