Build your own mini lightsaber with a straw, LED, and coin cell battery in this fun Star Wars STEM activity! Written instructions are available on the Science Buddies website: https://www.sciencebuddies.org/stem-activities/mini-LED-lightsaber

Find more STEM activities for Star Wars Day (May the Fourth) activities here: https://sbgo.org/starwars

Parts for this project are available from Amazon.com:

- CR1220 battery: https://amzn.to/3ee7XPp
- 10mm LEDs: https://amzn.to/2SoBOML
- Milkshake straws: https://amzn.to/3aVKVuQ

Wondering why you don't need a resistor for this circuit? Check out this video! https://youtu.be/ZdIBle_9Y_4