Quantity   Component name
6 × LM555 Clock and Timer ICs / Timer ICs
6 × 100uF electrolytic caps
6 × 10uF electrolytic caps
6 × Light dependent resistors
6 × Various resistors (1k - 100k)
6 × LED Resistors
1 × Power supply diode
2 × Speakers
1 × Brass rod + wire
1 × Acrylic sheets
1 × 2.1mm DC barrel jack
1 × 9V battery holder with adapter plug