Electronics Kit for the Visually Impaired

Electronics kit for the visually impaired. Instructables Competition to design an electronics kit inspired me to produce this prototype kit for the visually impaired. As far as I know there is not a kit like this on the market. PDF and CWZ files can be downloaded here: https://drive.google.com/folderview?id=0BzmJxxD-Z4B6bTVULUNxUmJHc1E&usp=sharing

CWZ files are for circuit wizard. Download a trial here: http://www.new-wave-concepts.com/demo.html

Parts:
2r2 resistor x 1
470uf 25v capacitor x 3
8 ohm speaker
audio jack plug
9v battery clip
14 pin dil
lm358n
9v battery

I have made four of these. If you would like one to use with your child or you’re a teacher please contact me and I will post one to you.