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  • Bouncing Ball Workshop - String Theory Yarn Co
    Bouncing Ball Workshop - String Theory Yarn Co
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    Bouncing Ball Workshop

    $10.00

    Make 6 vibrant, multi-colored, high-bouncing balls! Just mix and layer the colors in the ball mold. Instructions included. 

  • Bubbles of Steel - String Theory Yarn Co
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    Bubbles of Steel

    $10.00

    These bubbles are heroic! How's that? Well, these bubbles can be touched and they won't pop. These are tough bubs. You can make bubbly stacks or ev...

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  • Catapult Kit in Gifts | String Theory Yarn Co
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    Catapult Kit

    $42.00

    Fling small objects across your room as Leonado da Vinci intended. This kit brings his sketches into reality. Everything you need to build is inclu...

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  • Chemistry Kit - String Theory Yarn Co
    Chemistry Kit - String Theory Yarn Co
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    Chemistry Kit

    $20.00

    Eidble: The chemistry experiment you can eat and drink. A Copernicus Toys fan favorite! 16 experiments in one awesome box! Explore surprising ways ...

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  • Felt Bees - String Theory Yarn Co
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    Felt Bees

    $7.00

    The felt honeybees are handmade from 100% wool, organic and cruelty-free certified, and colored with eco-friendly azo-free dyes. Compostable at the...

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    Fill in the Blank Postcards

    Original Price $16.00
    Current Price $6.00

    Introducing Master Boddington’s rather original fill-in-the-blank thank you postcards. Tied with twine and packaged in plastic. Sealed with Master ...

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  • Flinger Bot - String Theory Yarn Co
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    Flinger Bot

    $42.00

    Build this rube goldberg-like contraption to fling objects with abandon.  This kit has hands-on learning about everything from hydraulics to propel...

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    Just Add Baking Soda

    $32.00

    Just Add Baking Soda makes science and art at home easy by using supplies you already have. This kit comes loaded with everything you need for at-h...

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    Just Add Milk

    $24.00

    Just Add Milk makes science and art at home easy by using supplies you already have. This kit comes loaded with everything you need for at-home sci...

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    Just Add Soap

    $32.00

    Just Add Soap makes science and art at home easy by using supplies you already have. This kit comes loaded with everything you need for at-home sci...

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  • Kids Knit - String Theory Yarn Co
    String Theory Yarn Co

    Kids Knit

    $20.00

    Kids Knit contains age and stage appropriate knitting techniques and patterns. The projects enable children to learn the basics of knitting and s...

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