US$ 134.50
Ten-pack of 5mm yellow LEDs with diffused round lenses
energy conservation
Economical slide viewer projects microscope slides as enlarged images for group viewing without requiring a full microscope setup in teaching environments
and pendulum experiments at a larger ball scale
vertical graduated tube
Borosilicate Glass U-Tube Capacity_50mL Ten-pack of 5mm yellow LEDsBorosilicate glass U tube apparatus enables visual observation of capillary action, osmosis, and pressure difference experiments in physics and chemistry.
US$ 134.50
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