Slime Circuits

Ages 9+

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Concoct a batch of colorful, conductive slime. Engineer a basic circuit, using your slime as a conductor to light up an LED (and a love of science!). Then conduct a series of electric experiments that showcase the science of switches, resistance, LED color-mixing, and more! Explore the science of polymers — all while having a slimy good time!


  • Make the wire holder
  • Make slime
  • Read about polymers
  • Make a slime circuit
  • Experiment with slime switches / circuit stretch / conductivity / color mixing!


  • Polymers
  • Electricity & Circuits
  • LED Color Mixing

Using charter school funds?

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3 reviews

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    Bronwen, Jun 3, 2020

    Excellent Kit

    My goal these days is anything I can do to get my daughter off screens is a big hit. We had a good hour and a half full focus on this. BIG hit. The slime was the draw but the surprise at the circuit was the ultimate winner.

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    Nikki, May 25, 2020

    Junior Scientist @7!!!

    While our 7 yr old could follow some directions - he still needed some help decoding: the BEST part was all the experimenting : grapes, corn cobs, water, glycerine soap!!!! We wished the battery lasted longer!!!

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    Elizabeth, Apr 21, 2020

    Challenging and fun

    Challenging but not impossible for my 7 year old to read and execute and he loved it.

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