The Newton’s cradle is one of the oldest and most interesting physics toys that demonstrate the laws of conservation of energy and momentum (and much more). You just raise one or two balls on one end, let them go and watch what happens on the other side. This version features an interchangeable single metal frame as opposed to the more common double metal frame cradels. The single metal frame allows for more stability when the balls are in motion.
Note: This product is not meant for young children. It is a delicate object, meant for use as a desk toy or fun stress reducer. Balls on cradle can get entangled or snap off if not used properly.
These goggles meet the American National Standards Institution (ANSI Z87.1) and Canadian Standards (CSA Z94.3) regulations.
These large, powder-free, 5mil Nitrile Exam Gloves are designed and manufactured for superior comfort and protection.
These ear plugs are made of self adjusting foam that provides a comfortable, low pressure fit and excellent sound filtration.
These extra-large, powder-free, 5mil Nitrile Exam Gloves are designed and manufactured for superior comfort and protection.
Great premium general purpose KingSeal Nitrile gloves in size SMALL. Not for medical use.
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!
This black scorpion specimen is great for the classroom setting!
See the solar system in action!
This simple but amusing magnetic toy will keep you busy for hours!
Build a model green house and 9 other green energy-related devices with this great kit!
Comprehensive collection of 30 fossils.
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