Glowing Pendulum

Ages 9-16+

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Build out this pendulum kit to explore chaotic motion. Watch patterns emerge on your glow board with the UV light.

Includes a step-by-step video tutorial link, illustrated blueprint instructions, all the materials, and a special-edition Tinker Zine magazine for more fun!


  • Build the glow board
  • Assemble the LED arm
  • Put together the pendulum
  • Glowing Maze Race
  • DIY Invisible Ink
  • DIY Glow Board Graffiti
  • "The Butterfly Effect" Tinker Zine magazine


  • Chaotic Systems
  • LED Circuits
  • Fluorescence

Using charter school funds?

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6 reviews

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    Jane, Jul 16, 2019

    Easy to Construct- Glowing pendulum

    Easy to follow directions and did not take long to build. It was cool but the pendulum really didn’t leave much of a pattern as the images show.

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    Tanya A., Jun 24, 2018

    Cool science project but didn't take long to build.

    Very cool science behind the project, sturdy materials, good instructions, and great explanations in the Tinkerzine, but it didnt take very long for our 11 year old to build.

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    Ben G., Jan 30, 2018

    Good quality materials and instructions are accurate.

    The materials are good quality, the directions are easy to follow with the drawings showing exactly how to do it. The finished product was awesome! My 10 year old grandson and I assembled it together (which is a wonderful bonding experience with grandma ) and he thought it was the

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