Grow green sparkling crystals overnight from a safe solution of potassium aluminum sulfate. Extract the largest crystal shard, redissolve the remaining crystals, and repeat the crystal formation process to grow a larger, more striking crystal. The kits includes all the materials and tools you need to grow a single crystal, as well as a small hexagonal storage box in which to keep your crystal safe.
Large nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
These goggles meet the American National Standards Institution (ANSI Z87.1) and Canadian Standards (CSA Z94.3) regulations.
These ear plugs are made of self adjusting foam that provides a comfortable, low pressure fit and excellent sound filtration.
This set includes two (2) N95 NIOSH approved respirators.
This set includes twenty (20) N95 NIOSH approved respirators.
Extra-small nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
This classic device is used to demonstrate the conservation of mechanical energy.
This mirascope creates a 3D hologram image!
This superb chemistry set features 350 mind-boggling experiments!
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