This thick-walled Bomex glass boiling flask is perfect for vigorous heating of liquids in the classroom setting. It can hold up to 500ml of liquid. The bottom is flat, and the flask features a tooled lip. Stopper size for the flask is No. 6. Excellent for chemical experiments and lab exercises in the classroom setting, or for demonstration purposes for a science fair project.
Build your own 10 inch kaleidoscope with this great kit!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.
Make the coolest 3D pin art on your desk with this amazing desk toy.
A combination of three of our great discovery toys, all in one package!
This glass Erlenmeyer mug makes an excellent gift!