LED Lighthouse circuit activity – protect your pirate ship

Today we’re diving back into the wonderful world of circuits and helping our pirates navigate the dangerous shoals of their treasure island by making a beautiful LED lighthouse circuit activity.

This is a fast circuit activity that will help improve those circuit building skills, understanding how electricity makes LEDs light up.

Girl making LED lighthouse on wood table

Friday: Beacon of hope (LED Lighthouse Circuit)

Activity: Build an LED lighthouse circuit to make sure your ship doesn’t run aground.

Use our growing circuit skills to build a lighthouse that can be used to direct ships, or keep the pirates at bay over night.


  • Copper tape – might also be available at Walmart or hardware stores
  • LEDs – maybe at Walmart or specialty electronic stores
  • CR2032 batteries – walmart or the grocery store
  • Small clear cup/jar (like a clear plastic cup, baby food jar, applesauce cup etc)
  • Thin cardboard or cardstock (cereal boxes are great)
  • Masking tape
  • Hot glue
  • Base (something to support your project – a thicker piece of cardboard, a piece of scrap wood, a plastic tray bound for the trash, etc)

CR2032 Batteries – https://amzn.to/2xyVxPe
LEDs – https://amzn.to/2Qi7nDQ
Copper Tape – https://amzn.to/2Qjhpou

Full LED Lighthouse Circuit Activity Instructions and Lesson