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    Twin Cities Public Television
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    In this technology activity, learners build simple circuits, design soft circuits using conductive thread, and then sew switch-activated circuits. Learner make a wearable fashion accessory, like a...

    Over $20 per student Ages 8 - 14 2 to 4 hours
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    The Exploratorium
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    In this activity, learners construct a device out of a piezoelectric igniter, like those used as barbecue lighters. Learners use the device to remotely start current flowing in a simple series...

    $5 - $10 per student Ages 11 - 18 30 to 45 minutes
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    Science Museum of Minnesota
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    In this activity, you take regular dominoes, and turn them into conductive switches that can turn on a LEGO RCX block or Pico Cricket (micro controller). LEGO RCX block or Pico Cricket is required....

    Over $20 per group Ages 8 - adult 2 to 4 hours
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    WGBH
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    In this design challenge activity, learners investigate series circuits and motors to build a hand-held "kick stick." Their goal is create a battery-operated device that sends a Ping-Pong...

    $5 - $10 per student Ages 8 - 14 45 to 60 minutes
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    WGBH
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    In this design challenge activity, learners invent a device that will make their friends and family ask, "What's buzzing?" Learners design an alarm with an on/off switch that is...

    $5 - $10 per student Ages 8 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    In this technology activity, learners build an "alarming" doormat to keep siblings out of their rooms. Use this activity to teach learners about circuits, switches, and sensors.

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    WGBH
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    In this design challenge activity, learners invent a pinball-like game where a kick stick hits a ping pong ball into a target that buzzes. This detailed guide includes step-by-step instructions on...

    $10 - $20 per student Ages 8 - 14 45 to 60 minutes
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    Worcester Polytechnic Institute
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    Learners create an electrical-circuit maze out of wire, then try to pass a paperclip through the maze without touching the wire. If the paper clip touches the wire, it closes the circuit, causing a...

    $1 - $5 per group Ages 11 - 14 1 to 2 hours
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    Museum of Science and Industry, Chicago
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    Learners make a circuit board that has questions and answers. When the correct answer is chosen for a question, a circuit is completed and a light illuminates. Use this activity to introduce...

    $5 - $10 per student Ages 8 - 14 30 to 45 minutes
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    4-H
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    In this activity about electricity, learners build and test a paper clip switch to turn on a light bulb. This activity introduces learners to open and closed switches and how electricity flows...

    $10 - $20 per group Ages 8 - 11 10 to 30 minutes

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