Solar charge controllers are essential for ensuring the smooth functioning of a solar panel and its battery. This 3A model will keep your battery charged at a constant of 11.1V. Also features over-charge, over-discharge, overload, and short-circuit protection. Designed for lithium batteries.
Extra-large nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
Durable, anti-fog safety glasses that fit comfortably on any head size.
Extra thick medical examination gloves - 60mil. Great for extra protection.
This set includes two (2) N95 NIOSH approved respirators.
Recommended for protection against chemical splashes. A must have for every young chemist!
These goggles meet the ANSI Z87.1, 2010 High Impact standards.
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
Explore the wonders of wind power with this amazing kit!
Experience this sphere powered by the sun!
Build your own 10 inch kaleidoscope with this great kit!
Exciting magnet exploration for ages 8 and up!
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