"The Mystery of Lyle and Louise"

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

A Graphic Look At Key Science Concepts

Simple models illustrate insect life cycles.

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

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

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.

Strong aluminum alloy extends the length of lab frame rods.

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

The Ideal Simulator For Advanced IV Training!

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

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

Formalin Preserved

Illustrate Electrostatic Propulsion and Repulsion

We’ve assembled this special Fossil Study Pack to make your classroom activities on ancient life both rewarding and more cost effective.

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

Demonstrates operation of motors and generators.