Two 38 mm spherical lenses; one is a double concave, the other a double convex, each with a focal length of 150mm. When placed together the net focal length is zero. (1-1/2" x 1-1/2" x 1/4"; .005Ib).
Great for optics experiments in the lab or classroom.
Recommended for protection against chemical splashes. A must have for every young chemist!
Extra thick medical examination gloves - 60mil. Great for extra protection.
Durable, anti-fog safety glasses that fit comfortably on any head size.
Highly durable lab apron made of rubberized cloth is impermeable and easy to clean, perfect for all manner of lab or classroom experiments
This set includes two (2) N95 NIOSH approved respirators.
These goggles meet the American National Standards Institution (ANSI Z87.1) and Canadian Standards (CSA Z94.3) regulations.
Easily assemble a working alarm motion detector!
Learn Chemistry While Creating Sweet Treats
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
Get one of the craziest and coolest kaleidoscopes around!
This illuminated orbiter is great for demonstrations in the astronomy classroom!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
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