US$ 12.99
allowing students to map field direction across both axes by hand
T-shaped screw-thread connector in borosilicate glass features thread size 13 for connecting multiple components in chemistry apparatus assembly
Acid-fast staining set with 30mL each of methylene blue 1% alcohol
Cone to screw-thread adapter in borosilicate glass features 29/32 cone for connecting cone-jointed and threaded apparatus components
Corrosion-resistant copper British-pattern rain gauge with a weather-grade body
Elephant Toothpaste Chemistry Kit Manufacturer_NeuLog allowing students to map fieldStructured around the classic hydrogen peroxide foam reaction, this elephant toothpaste kit introduces elementary and middle school students to catalysis, decomposition, and phase change.
US$ 12.99
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US$ 12.95
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US$ 88.00