Quantity   Component name
4 × 10k rotary pot /w knob
1 × Power switch
1 × Teensy 3.2 https://www.pjrc.com/store/teensy32.html
1 × Audio Adaptor Board for Teensy 3.0 - 3.6 https://www.pjrc.com/store/teensy3_audio.html
10 × Jumper wire
1 × Heat shrink tubing
1 × panel mount 1/8" and 1/4" audio jacks
1 × Piezo contact mic
1 × Battery pack 3.6v - 6.0v I used a single 18650 Lithium Ion cell
2 × Hard wood block I used scrap hardwood. Needs to be very flat on the bottom face.
1 × at least 1.5 meters of spring steel https://www.kalimbamagic.com/shop/accessories/spring-steel-for-kalimba-tines-5s
3 × Bolt/washer/nut I recommend blind nuts http://www.hobby1.com/images/P/gpmq3328%5B1%5D.jpg
1 × Steel rod I used a scrap piece of 2.3mm welding rod. Shouldn't be much smaller.
1 × Self tapping computer case screws
1 × Old bicycle innertube