$15-$25

   

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  1. Mechanical Sweeper

    $24.95

    Build a vacuum cleaner-like sweeper with moving parts that can be used to pick small items. Learn how salt and water react with vibrant watercolor painting.
  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. Balloon Cars

    $24.95

    Add racing stripes and patterns to your cars with a hand-powered airbrush tool and stencils. Build out your cars and then, experiment and tinker with the wheels and balloon to see how fast they can go.
  5. Ice Skating Rink

    $24.95

    Learn to tinker with gears and rig up a motor, then decorate a unique winter wonderland scene complete with festive characters. Turn the motor on to make the gears rotate, then watch your snowman, penguin, and gingerbread man spin around and "skate" on the ice!
  6. Reaction Time
    New

    Reaction Time

    $24.95 $18.95

    Test your responses with a ball-drop game you built yourself. Weave a basket, and use it to catch flying pom-poms in the nick of time. Train your eyes, brain, and muscles — all while having fun!
  7. Medieval

    $24.95

    Build a working catapult, "dragon" wagon, and a royal castle to explore medieval times!
  8. Garden

    $24.95

    Build a leafy green tree, and learn what plants need to thrive and survive. Play a felt flower matching game and make all sorts of colorful flower designs.Then sew and decorate a handy apron to stash your garden tools until next time!
  9. 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.
  10. 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!

   

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