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  1. Crystal Chemistry Garden
    New

    Crystal Chemistry Garden

    $24.95

    Craft a colorful chemis-tree and garden using felt shapes and liquid watercolors. Then concoct a chemical solution that'll make your garden grow fun and funky crystals over two days, and learn the science behind them!
  2. Handmade Soap

    $24.95

    Soap up with your very own soap next time you wash your hands.
  3. Pinball Machine

    $24.95

    Design the board, launch, and play, all while discovering pinball game physics!
  4. Pulley Crane

    $24.95

    Assemble a pulley-powered crane that can spin around, raise its arm, and lift loads. Then swap pulleys in and out to see first-hand how mechanical advantage makes it easier to lift things.
  5. Fun with Flight

    $24.95

    Build a rocket launcher and a set of your own flying rockets. Make a kite and run around to watch it fly.
  6. Speedy Race Cars

    $15.95

    Create a custom speedy race car and use black washi tape to create a speedway on any surface.
  7. Walking Robot

    $24.95

    Build a walking robot and experiment with mechanical motion!
  8. Exploring Stars

    $24.95

    Learn about the constellations in the night sky and then imagine and design your own! Play with planetary gears and use them to engineer a model system of the Sun, Earth, and Moon.
  9. Cannonball Launcher

    $24.95

    Build a launcher that uses elastic power to shoot foam cannonballs. Contains everything you need to build a working launcher and matching mount.
  10. Marble Timer

    $24.95

    Construct a marble-powered mechanism that helps keeps time! Experiment with your timer and design new paths to help the marbles run faster, slower, and everything in between. Then time yourself while creating colorful dip-dye wood art.

   

Showing 1 to 10 of 131

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