Quantity   Component name
24 × 2n2222 / 549 npn transistor
38 × 1n914 diode
1 × Color filters Red, green and blue. Color ink markers on clear plastic works well. Filters cut to size to cover the CdS cells
1 × 8 ohm speaker
3 × LDR ( photo resistor ) from scraped night lights
3 × 555 timer
2 × spst switch
1 × Cardboard
1 × Black card stock
3 × led - choice of color Optional - Used for initial testing
1 × Audio amp from scraped cd player
1 × LED light bar Hacked from battery powered wall light - Wal-Mart
22 × 120k res
2 × 3.3k res
2 × 910 ohm res
3 × 1k ohm res
22 × 1.8k res
1 × 9 volt power source - transistor batt
1 × 3 volt power source - 2 "C" cells
3 × 25k res trim pot
3 × 103 cap
1 × 250k pot
2 × 10 mf electro cap
3 × 22 mf electro cap
4 × 473 cap
2 × .47k cap