You can use this rubber stopper to contain liquid in test tubes and flasks. Fits tightly to prevent chemical leaks. Highly recommended for use in the science classroom or when displaying a science project!
This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
This glass Erlenmeyer mug makes an excellent gift!
This caffeine molecule mug makes an excellent gift!
Learn about hydrogen fuel cells with this incredible kit!
Working model representing the sun, earth, and moon and their relationships.
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!