This one is special to me and I hope you enjoy it! Binary Counter 3D Print - :7137326 Materials (Amazon, Ebay, or Mouser) 555 Timer 74HC161 CDP1824 10k potentiometer 7805 voltage regulator 1 push button Resistors, 1x 1k, 5x 10k, 4x 22k, 3x 47uf capacitor 4pin dip switch, 3pin dip switch 2 button cell battery holders with power switch. (a 9v battery also works but needs a switch) 6 pack of mini multicolor breadboards 1 long breadboard for detachable power strips Wires for connections Colorful LEDs 1 slide switch 3 Long wires with pin connectors Thank you for watching and see ya next time! -Sage #3dprinting #diy #electronic