$15-$25

   

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  1. Basketball Catapult
    New

    Basketball Catapult

    $19.95

    Aim, shoot, and score with this physics-friendly crate! Engineer an adjustable catapult and play a spirited game of basketball. Learn about the science of sports, and experiment with different angles and arcs until you're a hoop superstar.
  2. Handmade Soap

    $24.95 $18.95

    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. Walking Robot

    $24.95

    Build a walking robot and experiment with mechanical motion!
  7. Chalkboard & Glow Slime

    $22.95 $18.95

    Stretch your chemistry and doodling muscles and mix two kinds of slime with this hands-on kit — jet-black chalkboard slime and glow-in-the-dark slime
  8. Glowing Horn Unicorn Costume

    $29.95 $24.95

    Build a unicorn costume with a majestic mane, a noble snout, and a horn that lights up!
  9. 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.
  10. Combination Vault

    $24.95 $20.95

    Engineer a combination vault in which to stash your secrets, accessible by a numeric code only you know (shhh). Then learn about other sneaky spy gadgets and encryption tools, and the science behind them.

   

Showing 1 to 10 of 79

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