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.
This high precision gyroscope will amaze you with rotational speed and ease of precision.
Make the coolest 3D pin art on your desk with this amazing desk toy.
Great tarantula specimen for the science classroom!
This classic desk toy will keep you amused!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
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