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!
A massive mounted set of 100 rocks and minerals found in the US,
Use this awesome prism to teach about optics and light in the classroom setting!
Build your own 10 inch kaleidoscope with this great kit!
Create all kinds of marble run combinations with this 80-piece Marble Run set!
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.
With this cool electronic kit you get to assemble your own mini electric guitar!