+I'm referencing Amazon items to make this easy for everyone. Those experienced can order from Mouser.
+
+RGB LED, Common Cathode: https://www.amazon.com/gp/product/B01C3ZZT8W
+ATTINY-841: https://www.amazon.com/gp/product/B072WVY4RY
+Headers: https://www.amazon.com/gp/product/B06XR8CV8P
+
+Okay, so, I lied. I'm sorry... Go to Mouser:
+
+One - https://www.mouser.com/ProductDetail/712-BAT-HLD-001
+One - https://www.mouser.com/ProductDetail/556-ATTINY841-SSU
+Three - https://www.mouser.com/ProductDetail/279-CRGP0603F100R