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Quantitative Spectroscope
$10.00
Rotational Inertia Demonstrator
$236.00
Gravity Well
$199.00
Newton Scale
$43.00
Colliding Steel Spheres
$36.50
Spectrum Tube Hydrogen Gas
$25.00
World's Simplest Motor
$5.95
Fun Fly Stick
$37.00
Periodic Table of Spectra
$29.95
Demonstration Electroscope
$29.00
Primary Color Light Sticks
$29.00
Electromagnetic Flashlight
$19.95
Helical Spring
$19.95
Color Mixing Projector
$53.00
Radiometer
$14.50
Sound Pipe
$2.95
Spring Wave
$12.50
Digital Newton Meter
$49.00