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!
View the glory of space with this hi-tech telescope set!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
This is a classic demonstration toy of the powers of magnetic fields!
This smaller transportable Van de Graaff Generator will easily fit in any classroom!
Build over 60 projects with this deluxe version of the Snap Rover kit!