"PARKWAY PLASTICS, INC."
Assorted Plastic Gears
Four gears of different sizes, perfect for any investigation or maker project.
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Plastic Pulley Single
Economical pulley for simple machine experiments.
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Wave Apparatus, Plastic
Plastic wave apparatus ideal for studying wave behavior.
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Sounds Like Science
WARNING: CHOKING HAZARD–Small Parts. Not for children under 3 yrs.
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Eisco Plastic Filter Funnels
Chemically-resistant filter funnels made of high quality polypropylene plastic.
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Plastic Back Thermometers
Great for Early Learning about Temperature Scales
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Color Filter, Plastic
Spare color filter set to be used with Light Box and Optical Set.
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Klinger Light Box Multi Pack, 3 Colors
Beautiful, bright and captivating classroom safe LED's in primary colors of light (red, green and blue) for color mixing, refraction and reflection.
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Gilian® GilAir-3 Air Sampling Pumps, Sensidyne Inc
Constant flow air sampling pump features clear external filter housing allows an immediate visual inspection of filter’s condition. The flow fault indicator lights up if unit operates outside ±5% of set flow rate. Battery test indicator lights up when battery can provide a minimum of 8 hours of operation over operating range.
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Smedley-Type Hand Dynamometer, FABRICATION ENTERPRISES INC.
Features Adjustable Hand Stirrup
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Plastic Pulley Double
Economical pulley for simple machine experiments.