Quantity   Component name
6 × 10K ohm resistors R1, R3, R5 on both "Tree PCBs"
6 × 1K ohm resistors R2, R4, R6 on both "Tree PCBs"
1 × 2K ohm resistor R7 (only on one of the "Tree PCBs")
6 × 47uF capacitors C1, C2, C3 on both "Tree PCBs"
6 × 9014 transistors Q1, Q2, Q3 on both "Tree PCBs"
12 × Green LEDs D1-D6 on both "Tree PCBs"
12 × Yellow LEDs D13-D18 on both "Tree PCBs"
13 × Red LEDs D7-D12 on both "Tree PCBs" and D19 (only on one of the "Tree PCBs")
3 × Supplied Printed Circuit Boards
1 × Battery Pack, USB Charger, power button, and power terminal