This is a set of 12 cork borers ranging in size from 4mm to 20mm. They are made from nickel-plated brass, and feature individual handles and a rod for cleaning borers. The set allows you to bore holes in corks to fit them with the appropriate glass tubing or thermometer. Helpful for any chemistry lab setting or for use in the classroom.
Dig deeper, and discover the fascinating crystal structures of minerals and rocks with this great kit!
Learn all about the science of light, optics and visual perception with this wonderful kit!
Defy gravity with this cool balancing eagle!
A beautiful desk toy for your favorite person’s office!!
This great rock tumbling kit comes with everything you need to polish stones and gems!
Build your very own smart robot!