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Experimenter Kits

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    Marble Machine Kit - Battery (KMMB)

    Solarbotics
    In stock
    Stock: 1 QTY

    • This is a soothing little marble mill that sends balls down a spiral ramp and cycles them back with a mill ...

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    $43.80 - $43.80
    $43.80
    $43.80 - $43.80
    $43.80