"Preserved+Plant+Materials"

Recreate the medieval weapon using counterweights.

Vividly demonstrate plate tectonics and plate boundry interactions.

Quality LEDs for electrical experiments.

Ball and Ring Apparatus demonstrates thermal expansion.

Model the Theory of Valence Shell Electron Pair Repulsion

Electric bell that operated on 4 to 6 Volts DC with detachable cover and metal thread terminals.

The 4 decade resistance box is a handy and convenient way to investigate resistance.

Adjustable for Precision

Great acessory for demonstrating static charge.

Model Neuron Pathways.

Prelabeled and packaged.

An introduction to stoichiometry through the formation of solid silver on a copper wire.

Explore chromosome interactions and arrangements

This inexpensive device detects and estimates charges.

Six aluminum replacement leaves for the Electroscope Assembly without Flask.

Economical yet Sturdy