"activities&amp"

Variety of lenses for optical experiments.

Simple and Inexpensive

Classroom Package of Large Needles

Instantly transform potential energy into kinetic energy.

What Happens When You Combine All Colors of Light?

This set is economical, durable, and versatile.

This balance is the first major advancement in teaching simple machines in decades.

For Versatile Optical Applications

Perfect for Your Meter Stick Optics Bench.

These springs are an oversized demonstration of Hooke's Law.

This kit determines the amino acid sequence of a tripeptide isolated from a protein hydrolysate.

Clear, Short Prisms for Index of Refraction and Dispersion

Choose high quality crown glass or shatter-resistant acrylic lenses.

Obtain quantitative data for electrostatic experiments

Close-Up Cross Section.

Visualize the DNA you eat every day.