These mysterious glass eggs exhibits a magical iridescence! The color of the egg will shift depending on the strength, wavelength, and direction of thge light to which it is exposed. It is thus an excellent teaching tool for demonstrating dispersion of light, and for addressing concepts such as "why is the sky blue?" and "why are sunsets red?" Can also be used as unique decor at the office, or for use in lighted fountains.
This glass Erlenmeyer mug makes an excellent gift!
Ever wonder how to survive in the wilderness? These cards can help!
Explore the wonders of wind power with this amazing kit!
Learn about detective science through this fun fingerprinting kit!
Get swept away by this fantastic robot kit that uses vibrations to move!
Make the coolest 3D pin art on your desk with this amazing desk toy.