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Replacement Parts/Refills There are 15 products.

Replacement Parts/Refills

Parts for Physics products.

  • Steel Ball with Hole, 25mm.

    Ball, Steel, 25 mm with Hole

    Ball, Steel, 25 mm with Hole

    Ball, Steel, 25 mm with Hole

    611-1965

    In Stock

    .
    $4.91
    Add to cart View
  • Ball Set, 19mm.

    Six (6) balls, all 19mm in diameter: 3 drilled - aluminum, steel and wood and 3 solid- glass, steel, cork.

    Six (6) balls, all 19mm in diameter: 3 drilled - aluminum, steel and wood and 3 solid-...

    Six (6) balls, all 19mm in diameter: 3 drilled - aluminum, steel and wood and 3 solid- glass, steel, cork.

    611-1985

    In Stock

    .
    $14.73
    Add to cart View
  • Ball Set, 5 Balls, 25 mm
    Ball Set, 25mm.

    611-1990: Five (5) different balls, all 25 mm in diameter: glass, steel, aluminum w/hole, wood w/hole, and cork w/hole.  Image may vary.

    611-1990: Five (5) different balls, all 25 mm in diameter: glass, steel, aluminum...

    611-1990: Five (5) different balls, all 25 mm in diameter: glass, steel, aluminum w/hole, wood w/hole, and cork w/hole.  Image may vary.

    611-1990

    In Stock

    .
    $17.27
    Add to cart View