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  • Motor Kit, DC, Each.
    Motor Kit, DC, Each.

    Toy Motor Kit. This kit contains all you need to build a working DC motor and learn its parts from the inside out! Wind your own armature and field coil; build the commutator with two snap-together pieces. It's a device that's been used for over 40 years to teach crucial concepts. Includes: 2 copper wire coils; plastic base; field poles; armature core; brushes; fasteners. Ages 12 up. Also, available in bulk with enough parts for an entire...

    Toy Motor Kit. This kit contains all you need to build a working DC motor and learn its...

    Toy Motor Kit. This kit contains all you need to build a working DC motor and learn its parts from the inside out! Wind your own armature and field coil; build the commutator...

    615-4685

    This item is currently not in stock, please call for availability.

    .
    $8.44
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  • Refracting Telescope Kit. (PS-04B) (10 telescopes, 1 manual).

    Experiment with each element of a simple refracting telescope and see how the lenses work when put together without using an optical bench. Galileo’s first telescopes lacked precision and clarity. Nevertheless, he made astonishing discoveries with his crude instruments. This simple lab enables students to build a telescope that is similar to Galileo’s. Use the telescope and see how it is similar to a pinhole camera View inverted...

    Experiment with each element of a simple refracting telescope and see how the lenses...

    Experiment with each element of a simple refracting telescope and see how the lenses work when put together without using an optical bench. Galileo’s first telescopes lacked...

    654-0010

    This item is currently not in stock, please call for availability.

    .
    $72.72
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  • Sticks, Wood 25/bundle (40cm)
    Sticks, Wood 25/bundle (40cm)

    Basswood 1cm x 1cm x 40cm (15 3/4") 25 sticks per bundle.

    Basswood 1cm x 1cm x 40cm (15 3/4") 25 sticks per bundle.

    Basswood 1cm x 1cm x 40cm (15 3/4") 25 sticks per bundle.

    21301

    This item is currently not in stock, please call for availability.

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    $14.15
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  • 2 Way Purple Pop Beads Pk 150
    Pop Bead, 2-Way, Purple, Pk150, 1 Tab 1 Hole

    Here's the time-honored way to model genes, organic molecules, chromosomes and even cellular organelles with a one hole and one tab pop bead. Use 4 colors to create a DNA chain. Other colors available.

    Here's the time-honored way to model genes, organic molecules, chromosomes and even...

    Here's the time-honored way to model genes, organic molecules, chromosomes and even cellular organelles with a one hole and one tab pop bead. Use 4 colors to create a DNA chain....

    638-0424

    In Stock

    .
    $6.88
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  • Lens  Double Convex 38 mm Dia X 5cm FL
    Lens, Double Convex, Glass 38mm dia X 5cm Focal Length

    Made of high quality optical glass with finely ground edges, these unmounted lenses are great for optical benches and other experiments in optics.

    Made of high quality optical glass with finely ground edges, these unmounted lenses are...

    Made of high quality optical glass with finely ground edges, these unmounted lenses are great for optical benches and other experiments in optics.

    614-0305

    In Stock

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    $1.50
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  • Wheels, Wood 2" Dia. 20/pkg.

    Wood Wheels2 inch DiameterPackage of 20

    Wood Wheels2 inch DiameterPackage of 20

    Wood Wheels2 inch DiameterPackage of 20

    21332

    This item is currently not in stock, please call for availability.

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    $12.13
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