Bulb, 20 watt, 110-120 volt tungsten

This U-style flluorescent bulb is rated for 5 watts at 110-120 volts.

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Get an LED microscope that will last a lifetime! This home microscope is easy-to-use, sturdy, affordable & allows observers to see intricate cell details. An excellent choice for students, science-lovers & hobbyists alike!

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This component style LED bulb is rated for 0.1 watt at 3.3 volts.

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This high intensity 8 mm LED bulb replaces the illuminator bulb in all of the MI-4100 LED microscopes.

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Use this battery holder for D-size batteries. It has quick-connect Fahnestock clips.

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Light bulb with threaded, screw style base for use with 12-volt battery. Bulb socket and/or holder sold separately. Threaded bases are 9mm wide, bulbs are 22mm long. Product photo is enlarge to show detail.

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This battery holder is made of black plastic and holds three AA batteries.

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Sodium bicarbonate.

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These #5 rubber stoppers are 23-27 mm diameter with one 5mm diameter hole. No. 5 rubber stoppers fit Pyrex 125 ml Erlenmeyer flasks.

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This spiral-bound notebook is a great tool for teaching kids to record their nature observations with drawings and notes.

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