The Lens Set is an excellent set of 6 unmounted glass lenses with round edges. Each set includes one each of double convex, plano-convex, concavoconvex, double concave, plano-concave, and convexo-concave lens.
These are 50mm diameter.
$89.99
This advanced physics kit is perfect for older children already versed in physics knowledge!
$299.99
Konus Academy Microscope 1000X
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.
$749
Winsco Van de Graaff Generator
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
$10.99
This is a classic demonstration toy of the powers of magnetic fields!
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