Project 3: Circuit Card


This activity will show you how electricity is polarized, meaning that there are both positively and negatively charged channels of current. You can use this knowledge to connect an LED light to a battery and make your own card that lights up!

Build video for the Circuit Card project.


  • 12 inches Copper tape
  • 3 LEDs
  • Construction Paper
  • Colored Pencils
  • Scissors
  • Coin Cell Batteries
Materials for the circuit card laid out on a desk.