A dramatic device for demonstrating potential energy being transformed into kinetic energy. -- Loop demonstrator is made of black-coated metal. Comes with 1 metal ball, 1 acrylic ball, adjustable ""car"" made of hard plastic. Measures approximately110 cm. --

$40.50

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Loop-the-loop Escherichia Coli B Tryptic Growth Medium Incub Temp 37176 Live

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