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Metal cylinder set for demonstrating density investigation and specific heat experiments.

Set of color filters to be used with ray box

Primary colors filter set.

Closely wound steel helix for studying wave behavior.

Closely wound steel helix for studying wave behavior.

Closely wound steel helix for studying wave behavior.

Closely wound steel helix for studying wave behavior.

Spare belt for Wimshurst machine. This item has two replacement belts, both of which have a 20" circumference.

Spare pith balls for pith ball electroscope.

Demonstrates static potentials.

Individual metal electrodes for electrochemical experiments.

Flash lamp bulbs perfect for simple circuit activities.

Diodes for PCB or panel mount.

Ideal for exploring force of friction.

Standard decade resistance box.

Imagine having a living ecosystem to grow, learn, and discover—all in your classroom. The AquaSprouts Garden Kit will convert your existing 10 gallon fish tank into a fully functional aquaponic kit.