Launch a rocket! All you need with this clever device is water, air, and a pump.

Conduct solar energy activities with these 1/2-volt solar cells. Use the sun's power to generate electricity

$59.50

With exposure to the sun, this giant black balloon gathers enough energy to float by itself.

$5.95

Build sound skills with this set of sound boxes.

$35.00

Fill your classroom with the sounds of science as students learn by using these hands-on materials.

Students are all ears when they build their own telephone, stethoscope, and guitar.

$203.95

Sounds All Around Us Library (Set of 4)

$23.96

Delta brings you a versatile assortment of static electricity demonstration supplies.

$55.95

Use this investigation of the first 20 elements of the Periodic Table to illustrate the core concepts of the atomic theory.

$26.95

Build a rocket, tower, tunnel or bridge!

$24.99

Economical unit makes it possible for the whole class to experiment with motion. All-metal, string wound.

$6.50

A revolutionary kit, ideal for young students, safely teaches the basic principles of electronics.

$59.95