$0.00
Nice color blindness book with nice illustrations for testing and demonstrating color blindness. Both numbers and figures appear in the book.
Text in both Chinese and English.
Measures the water content of soil and reports it in percent. For use with PASPORT Interfaces.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Phosphate test vials.
Vials contain a vacuum-sealed color forming reagent to test a variety of water quality parameters. 30 individual Total Hardness test vials.
Allows students to measure temperature by detecting emitted infrared from objects without contact. For use with PASPORT Interfaces.
The PASPORT Breath Rate Sensor uses a disposable dust mask to measure breath rate. For use with PASPORT Interfaces.
A single polycarbonate chamber designed to integrate sensors for controlled-environment experiments such as fermentation and plant / cricket respiration.
Used for measuring the temperature of liquids, air, and other materials. ScienceWorkshop Version.
Set of 5 clear PVC taps for water flow visibility when designing and constructing pipe networks. For use with an Absolute Pressure Sensor.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Iron test vials.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Chlorine test vials.
