"Classification+Learning+Activities"

Compare the falling rate of a feather and a guinea (coin) with air resistance and in a vacuum.

This kit is very useful for reflection, refraction, and color mixing experiments.

Plastic pulley with two- part aluminum frame.

Study rays reflecting off plane and curved mirrors, determine the focal length of a curved mirror.

Economical pulley for simple machine experiments.

Assemble a car powered by salt water to explore alternative energy and electrochemistry.

Show the difference between three pendulums with different lengths.

This force table pulley includes a heavy-duty clamp and operates smoothly.

Individual design kit for pinewood racing.

Use PCR to determine if your emus are male (ZZ) or female (ZW).

Friction blocks are useful for teaching the basics of force and motion.

The material of the SONOtrain™ trainer simulates the feel of real soft tissue for carrying out palpations and injections and shows realistic texture and echogenicity on ultrasound images.

Learn the Elements While Having Fun!

A colorful set of 51 plastic stacking pieces representing one whole, halves, thirds, fourths, fifths, sixths, eighths, tenths, and twelfths.

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

Large ball bearings and various diameters (20 to 60mm) for accurate and precise measurements.