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.
Build your own 10 inch kaleidoscope with this great kit!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
This black scorpion specimen is great for the classroom setting!
Perform awesome experiments using everyday materials found in any kitchen!
This classic desk toy will keep you amused!
Make the coolest 3D pin art on your desk with this amazing desk toy.
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