"The Mystery of Lyle and Louise"

The nocturnal hermit crab uses “borrowed” shells to protect its relatively soft body, changing shells as it grows larger.

The DeLee-Hillis Obstetrical Stethoscope, also known as the DeLee-Hillis Fetoscope, features a metal headband attached to a common binaural stethoscope by a rigid metal arm which allows the user to work hands-free while listening to a fetal heartbeat during an examination

Sixty hands-on investigations to help students apply math concepts and skills to everyday problems.

Simple models illustrate insect life cycles.

A Graphic Look At Key Science Concepts

Molded of steam autoclavable polypropylene, these racks fit 400 mL or 1000 mL beakers.

Specially designed by Science Kit, this set enables teachers to create a lab experience which clearly demonstrates the cellular differentiation among the types of living organisms found in the five kingdoms.

CAS Number: 14808-60-7
Formula: SiO2
Density: 2.65 g/mL
Boiling and Freezing Point: 2230°C, 1610°C
Solubility: Insoluble
Synonyms: Silicon Dioxide, Quartz, Crystalline Silica
Shelf Life: 36 Months

In this kit, ½ wavelengths are measured and used to determine the relationship between wavelength, frequency, and velocity.

Highly absorbent non-stick pads are designed to protect wound sites.

Strong aluminum alloy extends the length of lab frame rods.

The Ideal Simulator For Advanced IV Training!

One Pound of One-Hole Rubber Stoppers in Various Sizes.

Engaging, ready-to-use learning centers for the classroom, after school programs or home practice, for review of standards-based topics and test preparation!

Students use the St. Louis Demo Motor to research fundamental principles of electric motors and generators.

Formalin Preserved