This universal 1 inch long replacement bar is made of PTFE/TEFLON and works with all magnetic stirrers. The stir bar will need very infrequent replacement as it is constructed to be highly durable and features corrosion resistance. The unit snaps into place using a built-in pivot ring Keep a few handy in the laboratory or classroom in case of mechanical malfunctions and make sure you never have to abort an experiment or classroom demonstration!
Have fun building your very own FM radio!
The large realistic model has removable organs that can be studied and set back into the correct position.
Get one of the craziest and coolest kaleidoscopes around!
Create currents and discover gravity while exploring the theory of Lenz's Law with this kit!
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.