This stretchy, stringy dough actually glows in the dark! It also features lovely combinations of colors in each container. Makes an excellent stocking stuffer or novelty prize.
Explore the wonders of wind power with this amazing kit!
Create all kinds of marble run combinations with this 80-piece Marble Run set!
Build your own 10 inch kaleidoscope with this great kit!
This top of the line 21 inch tall Galileo thermometer features 10 floating spheres.
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
Create currents and discover gravity while exploring the theory of Lenz's Law with this kit!