Quantity   Component name
1 × 5mm RGB LED COM-11450 on Sparkfun
1 × Tie pin and pinback 100 pack on amazon
1 × SPDT Switch EG1270 from digikey
1 × 20mm Battery Holder 3034TR from digikey
1 × PCB ordered from JLCPCB
1 × CR2032 Battery 100 pack on amazon