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    Community Science Workshop Network
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    In this activity, learners build a seesaw powered by magnets. Use this activity to demonstrate how a lever is a simple machine and how magnets repel and attract depending on the alignment of the...

    $1 - $5 per student Ages 6 - 14 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners create a tiny electric, motorized dancer. Learners use the interactions of magnetism and electric current to make a wire spin, while displaying the Lorentz Force in...

    $1 - $5 per student Ages 8 - 18 30 to 45 minutes
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    WGBH
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    In this activity, learners build a racecar using only a rubber band, spool, straw, and paper clip! This racer is a classic toy that zips across a flat surface. The activity links to different ideas...

    1 cent - $1 per student Ages 6 - 11 30 to 45 minutes
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    NASA
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    In this activity, learners build a sled kite that models a type of airfoil called a parawing. Learners keep a journal on the behavior of the kite and test different variables (tail, tail length,...

    $1 - $5 per student Ages 6 - 11 1 to 2 hours
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    Community Science Workshop Network
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    In this activity, learners explore motion, energy, and electricity by constructing bottle cars that run on motors. Learners can make two different types of cars: a 1-bottle model and a 2-bottle...

    $10 - $20 per student Ages 11 - 18 45 to 60 minutes
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    Community Science Workshop Network
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    In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws. This engineering activity introduces learners to circuits and motors, automata, and...

    $5 - $10 per student Ages 6 - 14 30 to 45 minutes
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    New York Hall of Science
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    Design and create an optical illusion toy that makes two pictures appear to become one. This is called a thaumatrope and will allow the learner to investigate the phenomenon of persistence of...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes
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    WGBH
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    In this invention challenge activity, learners create an indoor game for one or two people that gets you moving. This lesson guide includes instructions on how to play an “imagine new uses for old...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    Community Science Workshop Network
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    In this activity, learners build a toy that flies in circles. This activity introduces learners to center of mass, torque, and rotational motion.

    $5 - $10 per student Ages 6 - 18 45 to 60 minutes
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    Institute of Physics
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    In this indoor or outdoor demonstration, use a large and small ball to illustrate conservation of energy and momentum. Learners will compare how high the balls bounce when bounced individually or...

    free Ages 4 - adult Under 5 minutes

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