| SoundShell :: construction | |
| -- Dow "Foamular" Insulation | :: |
| -- Lots of Caulk | :: |
| -- MicroChip PIC 16F877 microchip | :: |
| -- Hall-Effect Magnetic Switches | :: |
| -- Acrylic Paint | :: |
| -- 2 X Sharp GP202 Intrared sensor | :: |
| -- Fake-Velvet Fabric (for hammer) | :: |
| -- Magnets (embedded in front face of hammer head) | :: |