The contact key is commonly known to be used in demonstrating Morse code. The Contact Key allows you to open and close circuits by pressing down on a lever. Metal studs ensure a solid contact for maximum conductivity. This product is an excellent tool for science experiments!
Use this laser pointer for any professional presentation!
Head into the lab for an in-depth investigation of genetics and DNA!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
Get swept away by this fantastic robot kit that uses vibrations to move!
This chemistry learning and experiment kit comes with components and chemicals for over 75 amazing experiments!
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