Toy Organ Design Challenge

The Challenge

Design the housing for a toy synthesizer.

httpwww.ecelab.comcircuittoyorgan.jpg  
Schematics from www.ecelab.comcircuittoyorgan and www.elektropage.com



There are several variations of this circuit, but the parts list is derived from Forrest Mims's Toy Organ that appeared in Volume I: Timer, Op amp and Optoelectronic Circuits & Projects