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bar-magnet-painted-alnico5
ALNICO5PBM70
Strong, painted Alnico bar magnet for science experiments.
options
From $2.60 /unit
battery-holder-motor-kit
BHMK
DIY electric motor demonstration kit.
options
From $2.90 /unit
lenses-spherical-bi-convex-38-mm-diameter-focal-length-100mm
GLXX38X100
Polished glass with ground edges for converging optical systems.
options
From $1.69 /unit
lenses-spherical-bi-convex-38-mm-diameter-focal-length-150mm
GLXX38X150
Polished glass with ground edges for converging optical systems.
options
From $1.23 /unit
lenses-spherical-bi-convex-38-mm-diameter-focal-length-200mm
GLXX38X200
Polished glass with ground edges for converging optical systems.
options
From $1.40 /unit
lenses-spherical-bi-convex-38mm-diameter-50mm
GLXX38X50
Converges incident light for optical experiments and image formation.
options
From $2.60 /unit
lenses-spherical-bi-convex-38-mm-diameter-focal-length-500mm
GLXX38X500
Polished glass with ground edges for converging optical systems.
From $1.23 /unit
lenses-spherical-bi-convex-50-mm-diameter-focal-length-100mm
GLXX50X100
Polished glass with ground edges for converging optical systems.
options
From $2.27 /unit
lenses-spherical-bi-convex-50-mm-diameter-focal-length-150mm
GLXX50X150
Polished glass with ground edges for converging optical systems.
options
From $2 /unit
lenses-spherical-bi-convex-50-mm-diameter-focal-length-200mm
GLXX50X200
Polished glass with ground edges for converging optical systems.
options
From $1.52 /unit
lenses-spherical-bi-convex-50-mm-diameter-focal-length-300mm
GLXX50X300
Polished glass with ground edges for converging optical systems.
options
From $1.52 /unit
lenses-spherical-bi-convex-50-mm-diameter-50mm
GLXX50X50
Converges incident light for optical experiments and image formation.
options
From $4.40 /unit
lenses-spherical-bi-convex-75-mm-diameter-focal-length-100mm
GLXX75X100
Polished glass with ground edges and 100 mm focus.
options
From $2.60 /unit
lenses-spherical-bi-convex-75-mm-diameter-focal-length-150mm
GLXX75X150
Polished glass with ground edges and 150 mm focus.
options
From $4.69 /unit
lenses-spherical-bi-convex-75-mm-diameter-focal-length-175mm
GLXX75X175
Polished glass with ground edges and 175 mm focus.
options
From $5 /unit
lenses-spherical-bi-convex-75-mm-diameter-focal-length-200mm
GLXX75X200
Polished glass with ground edges and 200 mm focus.
options
From $4.70 /unit
lenses-spherical-bi-convex-75-mm-diameter-focal-length-300mm
GLXX75X300
Polished glass with ground edges and 300 mm focus.
options
From $4.70 /unit
lenses-spherical-bi-convex-75-mm-diameter-focal-length-500mm
GLXX75X500
Polished glass with ground edges and 500 mm focus.
options
From $4.70 /unit
brass-ball-34-inch-diameter
MSBB18
Solid metal sphere for various applications.
options
From $5.80 /unit
brass-balls-12-inch-diameter
MSBB12
Solid brass spheres for decorative or industrial use.
options
From $1.60 /unit
bar-magnet-painted-alnico5
Bar Magnet, Painted, Alnico5
Strong, painted Alnico bar magnet for science experiments.
Add to Cart
$3.99 - $2600
SKU: ALNICO5PBM70
battery-holder-motor-kit
Battery Holder Motor Kit
DIY electric motor demonstration kit.
Add to Cart
$49 - $2900
SKU: BHMK
lenses-spherical-bi-convex-38-mm-diameter-focal-length-100mm
Bi-Convex Glass Lens, 38 mm Diameter, 100 mm Focal Length
Polished glass with ground edges for converging optical systems.
Add to Cart
$2 - $169
SKU: GLXX38X100
lenses-spherical-bi-convex-38-mm-diameter-focal-length-150mm
Bi-Convex Glass Lens, 38 mm Diameter, 150 mm Focal Length
Polished glass with ground edges for converging optical systems.
Add to Cart
$2 - $123
SKU: GLXX38X150
lenses-spherical-bi-convex-38-mm-diameter-focal-length-200mm
Bi-Convex Glass Lens, 38 mm Diameter, 200 mm Focal Length
Polished glass with ground edges for converging optical systems.
Add to Cart
$2 - $14
SKU: GLXX38X200
lenses-spherical-bi-convex-38mm-diameter-50mm
Bi-Convex Glass Lens, 38 mm Diameter, 50 mm Focal Length
Converges incident light for optical experiments and image formation.
Add to Cart
$5 - $260
SKU: GLXX38X50
lenses-spherical-bi-convex-38-mm-diameter-focal-length-500mm
Bi-Convex Glass Lens, 38 mm Diameter, 500 mm Focal Length
Polished glass with ground edges for converging optical systems.
Contact Us  
$2 - $123
SKU: GLXX38X500
lenses-spherical-bi-convex-50-mm-diameter-focal-length-100mm
Bi-Convex Glass Lens, 50 mm Diameter, 100 mm Focal Length
Polished glass with ground edges for converging optical systems.
Add to Cart
$3 - $227
SKU: GLXX50X100
lenses-spherical-bi-convex-50-mm-diameter-focal-length-150mm
Bi-Convex Glass Lens, 50 mm Diameter, 150 mm Focal Length
Polished glass with ground edges for converging optical systems.
Add to Cart
$2
SKU: GLXX50X150
lenses-spherical-bi-convex-50-mm-diameter-focal-length-200mm
Bi-Convex Glass Lens, 50 mm Diameter, 200 mm Focal Length
Polished glass with ground edges for converging optical systems.
Add to Cart
$2 - $152
SKU: GLXX50X200
lenses-spherical-bi-convex-50-mm-diameter-focal-length-300mm
Bi-Convex Glass Lens, 50 mm Diameter, 300 mm Focal Length
Polished glass with ground edges for converging optical systems.
Add to Cart
$2 - $152
SKU: GLXX50X300
lenses-spherical-bi-convex-50-mm-diameter-50mm
Bi-Convex Glass Lens, 50 mm Diameter, 50 mm Focal Length
Converges incident light for optical experiments and image formation.
Add to Cart
$5 - $440
SKU: GLXX50X50
lenses-spherical-bi-convex-75-mm-diameter-focal-length-100mm
Bi-Convex Glass Lens, 75 mm Diameter, 100 mm Focal Length
Polished glass with ground edges and 100 mm focus.
Add to Cart
$3 - $260
SKU: GLXX75X100
lenses-spherical-bi-convex-75-mm-diameter-focal-length-150mm
Bi-Convex Glass Lens, 75 mm Diameter, 150 mm Focal Length
Polished glass with ground edges and 150 mm focus.
Add to Cart
$6 - $469
SKU: GLXX75X150
lenses-spherical-bi-convex-75-mm-diameter-focal-length-175mm
Bi-Convex Glass Lens, 75 mm Diameter, 175 mm Focal Length
Polished glass with ground edges and 175 mm focus.
Add to Cart
$5
SKU: GLXX75X175
lenses-spherical-bi-convex-75-mm-diameter-focal-length-200mm
Bi-Convex Glass Lens, 75 mm Diameter, 200 mm Focal Length
Polished glass with ground edges and 200 mm focus.
Add to Cart
$6 - $470
SKU: GLXX75X200
lenses-spherical-bi-convex-75-mm-diameter-focal-length-300mm
Bi-Convex Glass Lens, 75 mm Diameter, 300 mm Focal Length
Polished glass with ground edges and 300 mm focus.
Add to Cart
$6 - $470
SKU: GLXX75X300
lenses-spherical-bi-convex-75-mm-diameter-focal-length-500mm
Bi-Convex Glass Lens, 75 mm Diameter, 500 mm Focal Length
Polished glass with ground edges and 500 mm focus.
Add to Cart
$6 - $470
SKU: GLXX75X500
brass-ball-34-inch-diameter
Brass Ball, 3/4 Inch Diameter
Solid metal sphere for various applications.
Add to Cart
$6.50 - $58
SKU: MSBB18
brass-balls-12-inch-diameter
Brass Balls, 1/2 Inch Diameter
Solid brass spheres for decorative or industrial use.
Add to Cart
$2 - $40
SKU: MSBB12
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