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    购买 elementary school science fair projects

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    $29.95
    Thames & Kosmos Simple Machines Science Experiment & Model Building Kit, Introduction To Mechanical Physics, Build 26 Models To Investigate The 6
    Amazon.com
    540
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    Thames & Kosmos Simple Machines Science Experiment & Model Building Kit, Introduction To Mechanical Physics, Build 26 Models To Investigate The 6
    Amazon.com
    540
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    Think Box Ultimate Science Lab STEM Activities Kit, Multi
    Kohl's
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    Think Box Ultimate Science Lab STEM Activities Kit, Multi
    Kohl's
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    Janice Vancleave's A+ Science Fair Projects - (Paperback)
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    Janice Vancleave's A+ Science Fair Projects - (Paperback)
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    $25.49
    UNGLINGA 150 Experiments Science Kits For Kids, S.T.E.M Project Educational Toys For Boys Girls Birthday Gifts Ideas, Volcano, Chemistry Lab
    Amazon.com
    1 千+
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    UNGLINGA 150 Experiments Science Kits For Kids, S.T.E.M Project Educational Toys For Boys Girls Birthday Gifts Ideas, Volcano, Chemistry Lab
    Amazon.com
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    Smartivity Mega Science Kit For Kids Ages 6-14 Years I 150+ Science Experiments Kit | Birthday Gifts For Boys & Girls | STEM Educational Toy For
    Amazon.com
    1 千+
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    Smartivity Mega Science Kit For Kids Ages 6-14 Years I 150+ Science Experiments Kit | Birthday Gifts For Boys & Girls | STEM Educational Toy For
    Amazon.com
    1 千+
    $31.99
    Japace STEM Science Experiment Kits For Kids - Science Learning Toy Gifts For Boys And Girls, 4-In-1 Projects: Earth Science, Chemistry Lab, Magic
    Amazon.com
    26
    $31.99
    Japace STEM Science Experiment Kits For Kids - Science Learning Toy Gifts For Boys And Girls, 4-In-1 Projects: Earth Science, Chemistry Lab, Magic
    Amazon.com
    26
    $32.99
    90 Lab Experiments Science Kit For Kids, STEM Activities Educational Scientist Toys Gifts For Age 6-12 Year Old Boys Girls, Chemistry And Physics
    Amazon.com
    116
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    90 Lab Experiments Science Kit For Kids, STEM Activities Educational Scientist Toys Gifts For Age 6-12 Year Old Boys Girls, Chemistry And Physics
    Amazon.com
    116
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    UNGLINGA 250+ Science Experiments Kits For Kids, Boys Girls Toys Birthday Gifts Ideas, Chemistry Set, STEM Activities Educational Project, Volcano,
    Amazon.com
    293
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    UNGLINGA 250+ Science Experiments Kits For Kids, Boys Girls Toys Birthday Gifts Ideas, Chemistry Set, STEM Activities Educational Project, Volcano,
    Amazon.com
    293
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    Scientific American, Simple Science Fair Projects, Grades 3-5 - By Bob Friedhoffer (Paperback)
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    Scientific American, Simple Science Fair Projects, Grades 3-5 - By Bob Friedhoffer (Paperback)
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    $18.99
    Science Kit For Kids,80 Science Lab Experiments,Scientist Costume Role Play STEM Educational Learning Scientific Tools,Birthday Gifts And Toys For 6
    Amazon.com
    1 千+
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    Science Kit For Kids,80 Science Lab Experiments,Scientist Costume Role Play STEM Educational Learning Scientific Tools,Birthday Gifts And Toys For 6
    Amazon.com
    1 千+
    $69.99
    Lakeshore Electricity Activity Lab
    Lakeshore Learning
    $69.99
    Lakeshore Electricity Activity Lab
    Lakeshore Learning
    $199.00
    Lakeshore Hands-On Science Specimen Centers - Complete Set
    Lakeshore Learning
    $199.00
    Lakeshore Hands-On Science Specimen Centers - Complete Set
    Lakeshore Learning
    $11.27
    Scientific American, Simple Science Fair Projects, Grades 3-5 (Paperback)
    Walmart
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    $11.27
    Scientific American, Simple Science Fair Projects, Grades 3-5 (Paperback)
    Walmart
    Free shipping
    $149.00
    Lakeshore Can Do! Science Discovery Kits - Complete Set
    Lakeshore Learning
    $149.00
    Lakeshore Can Do! Science Discovery Kits - Complete Set
    Lakeshore Learning
    $13.99
    Steve Spangler Science - WTIN-100 Color Fizzers, 100 Tablets - Assorted Colors (Red, Yellow & Blue) - Colorful Science Experiment Kit For Kids, Won
    Amazon.com
    628
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    Steve Spangler Science - WTIN-100 Color Fizzers, 100 Tablets - Assorted Colors (Red, Yellow & Blue) - Colorful Science Experiment Kit For Kids, Won
    Amazon.com
    628
    $11.97
    The Dad Lab : 50 Awesome Science Projects For Parents And Kids - By Sergei Urban (Paperback)
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    The Dad Lab : 50 Awesome Science Projects For Parents And Kids - By Sergei Urban (Paperback)
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    $39.99
    UNGLINGA 260+ Experiments Science Kits For Kids, S.T.E.M Science Projects, Chemistry Set, Christmas Birthday Toys Gifts Idea For Boys Girls, Dig
    Amazon.com
    37
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    UNGLINGA 260+ Experiments Science Kits For Kids, S.T.E.M Science Projects, Chemistry Set, Christmas Birthday Toys Gifts Idea For Boys Girls, Dig
    Amazon.com
    37
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    Build A Robot Kit For Kids 5-7 8-12, STEM Robotics Building Kits Electronic Robotic Projects Science Experiments, STEAM Toys For Boys Girls
    Amazon.com
    69
    $21.24
    Build A Robot Kit For Kids 5-7 8-12, STEM Robotics Building Kits Electronic Robotic Projects Science Experiments, STEAM Toys For Boys Girls
    Amazon.com
    69