$15-$25

   

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  1. Walking Robot

    $24.95

    Build a walking robot and experiment with mechanical motion!
  2. Light-Up Lantern

    $22.95

    Puzzle together the pieces of an LED-powered lantern, fit for any budding explorer. Sharpen your spatial reasoning skills while crafting with wood, foam, and fabric.
  3. Hydraulic Claw

    $24.95

    Construct your own lifting claw and learn how hydraulic systems work. Continue the experimentation with bonus design challenges.
  4. Bubble Lamp
    New

    Bubble Lamp

    $24.95

    Light up a love of science — with your very own bubble lamp. Learn about the unique interaction between oil and water, and why that makes lava lamps so lavable.
  5. Chalkboard & Glow Slime

    $24.95

    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
  6. Basket Weaving

    $24.95

    Prepare and dye yarn (both in solid colors, and in two-tone, variegated shades). Then learn to weave three sizes of baskets! Craft, customize, and get creative, then do it all over again for a set of three baskets that are uniquely you.
  7. Trebuchet

    $24.95

    Experiment with aim and angles by adjusting the weigh in your trebuchet. Explore the science of levers and how they help machines harness the force of gravity and lift heavy weights. Ready, aim, and fire — with physics!
  8. Friction Climbers

    $24.95

    Engineer 3 wooden animals to explore the mechanics of friction!
  9. Automaton

    $24.95

    Engineer a hand-cranked, wooden automaton that makes a marble climb stairs. Explore the gears and cams that make the mechanics work.
  10. Mechanical Bird

    $24.95

    Engineer a model bird and experiment with gear-driven wings!

   

Showing 11 to 20 of 36

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