How to Make a Glow Stick in a Jar

Written by marysia walcerz
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How to Make a Glow Stick in a Jar
Glow sticks (neon glow image by Laura Lupton from

Making a glowing jar lantern using glow sticks is a fun project for Halloween, or any time. If you place several glow sticks in a jar of water, the result is an eerily glowing jar lantern as the water refracts the light emitted by the sticks.

Skill level:

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Things you need

  • Glow stick
  • Mason jar
  • Warm or cold water

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  1. 1

    Activate your glow stick by bending it back and forth along its length until it glows. Shake your glow stick after it begins glowing to completely mix the chemicals.

  2. 2

    Fill a glass mason jar with water. Colder water will result in a longer glow time; warm water will result in a brighter glow.

  3. 3

    Place one, or several, glow sticks in the mason jar. Make sure they fit comfortably and won't hamper putting the top on the jar.

  4. 4

    Put the jar lid on tightly, screwing the washer down completely.

  5. 5

    Shake the jar up to get the sticks mixed up and glowing brightly.

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