Energy Tube, teaching resource for an array of scientific concepts: open and closed circuits, conductors vs. Insulators, light waves, sound waves,currents, and energy, When a conductor touches both of the electrodes on tube, tube emits a sound and flashing red/green/blue LED lights
Thermometer, Material: Glass, Dual scale, Mounted on aluminum back, Filling: 3 grams of Toluene mixed with red color, Temperature: -30 deg to 110 deg C
Blade number:23, Disposable Premiere* Blades are made of high carbon steel, individually foil wrapped and sterilized by gamma radiation. 10 per pack; 10 packs per box, For number-4 scalpel.
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