A collection of 54 eye-catching optical illusions that fool the eye and delight the imagination. Colors, shapes and appearances transform themselves magically right before your eyes. Nothing is what it seems – and what you see is definitely not what you will get. Created by Pentagram, the internationally-renowned design firm. Based on the best selling book Pentamagic. Complete with explanations. Suitable for all card games.
These ear plugs are made of self adjusting foam that provides a comfortable, low pressure fit and excellent sound filtration.
Extra-large nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
Highly durable lab apron made of rubberized cloth is impermeable and easy to clean, perfect for all manner of lab or classroom experiments
These goggles meet the American National Standards Institution (ANSI Z87.1) and Canadian Standards (CSA Z94.3) regulations.
Durable, anti-fog safety glasses that fit comfortably on any head size.
Extra thick medical examination gloves - 60mil. Great for extra protection.
Learn Chemistry While Creating Sweet Treats
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
Experience this sphere powered by the sun!
Every kid needs one of these spheres!
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