"tube+coolers"

Basic set HeNe Laser.

Self standing sterilized cryo vials.

Build a working excavator to explore hydraulic mechanics in a fun, hands-on way.

More bubbles are more fun.

High quality bulb condenser for chemistry classrooms and laboratories.

Noted for capsular swelling. Causes pneumonia and urinary tract infections.

This organism is normal flora of human skin.

Normal flora of the mouth and throat. Lancefield group K, gamma hemolysis. 

Build models to study this important geological feature.

Generate your own sustainable energy by converting common organic waste into biogas with this easy-to-use kit.

This direct-reading colorimeter is ideal for complete, on-site analysis.

Model shows the transverse and longitudinal section of a dicotyledonous stem in which case the cambium ring has been formed but no secondary growth has yet taken place.

High quality Liebig condenser for chemistry classrooms and laboratories.

Learn about urinalysis, one of the oldest medical diagnostic tests performed.

Universal clamp with cork-lined prongs capable of holding objects up to 2.3" wide, featuring a boss head for attaching to rods up to 0.59" in diameter, offering secure and adjustable holding for various lab setups.

This bell jar demonstrates that sound waves can't travel and therefore can't be heard without air or matter.