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Squishy Circuits: Light Up Your Play Doh® Creations!

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4 buddy reviews
by Ben Finio, PhD
Active Time
30-45 minutes
Total Project Time
30-45 minutes
Key Concepts
circuit, electricity, conductor, insulator
butterfly built with squishy circuit LEDs and play doh


Do you like arts and crafts? How about making sculptures with Play Doh® or modeling clay? Imagine how cool it would be if you could add lights to your creations? Once you have learned how to add lights, you can even add motion and sound. That is exactly what you will get to do in this activity! Keep reading to learn how you can make any light-up sculpture you imagine, such as a house with lights in the windows, an animal with light-up eyes, or a colorful butterfly.


Ben Finio, PhD, Science Buddies
Squishy Circuits were originally developed by the Thomas Lab at the University of St. Thomas.
This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,150 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.


  • Squishy Circuits kit, available from the Science Buddies store. The kit contains:
    • AA battery pack (1)
    • Motor (1)
    • Buzzers (2)
    • Light-emitting diodes, commonly called LEDs (25)
  • AA batteries (4)
  • Play Doh
  • Modeling Clay
  • Optional: if you want to use your own homemade dough instead of store-bought Play Doh (conductive) and modeling clay (insulating), you can follow the directions in this Science Buddies project to make your own.
    Materials for science activity squishy circuits play-dough
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Active Time
30-45 minutes
Total Project Time
30-45 minutes
Key Concepts
circuit, electricity, conductor, insulator