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!
This classic desk toy will keep you amused! Large, 7 inch tall version.
The cards show the name of the element, the atomic number, group, natural state and common usages!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Build your own 10 inch kaleidoscope with this great kit!
Do micro-controller projects and program them using your own computer!
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!