Classic demonstration of the conservation of mechanical energy.

View Details

This deluxe microscope cleaning kit is designed to keep lenses, eyepieces, and objectives clean and in top condition.

View Details

This is a bi-pin style halogen bulb rated for 20 watts at 12 volts.

View Details

Four specimens on one slide: male and female heads l.s., sporophyte l.s., and protonema w.m.

View Details

Play around with light & optics as you conduct 42 hands-on science projects in this Thames & Kosmos Optical Science Kit. With the 48-page manual & materials inside, you can make prismatic glasses, optical illusions & more!

View Details

This aluminum microscope case is designed specifically for our HST Professional Laboratory Microscopes.

View Details

This kit contains everything you need for a hands-on demonstration of inertia or Newton's First Law of motion.

View Details

This molecular model set is ideal for chemistry students who are learning about molecules.

View Details

An exceptional-quality 4X DIN objective lens that fits full-size compound microscopes with 45mm DIN standard optics. 0.10 N.A.

View Details

Our student insect pins are good quality and an excellent value.

View Details

This science kit allows students to see first-hand the power of an electromagnet.

View Details

This is a non-certified 200 g calibration weight for use in calibrating digital scales.

View Details

This stomach section shows mucosa and submucosa layers.

View Details

This human tonsil section slide exhibits lymph nodules (the ring of dark-purple ovals) and epithelial tissue.

View Details

Four specimens on one slide: root cs.; 1-year stem c.s., male cone c.s., and female cone c.s.

View Details

Multi-stained to show the general structure of a corn seed with developing embryo.

View Details

Shoot a 25-mm steel ball from a barrel affixed to a moving cart & watch in amazement as it drops back down into the barrel! This classic, memorable ballistic demonstration provides kids with an unforgettable intro to physics.

View Details

This human liver section shows bile-secreting hepatocytes (the tiniest purple dots are their nuclei) and bile canaliculi, the winding "canals" that carry along the bile.

View Details