A length of durable, non-stretch cotton measuring 82 feet (25 meters) long at 1/16 of an inch thick. The string is specially designed for use with any of our pulleys, allowing you to perform experiments demonstrating basic laws of motion and simple machines. Perfect for the physics classroom, and great for use with a variety of science fair experiments.
Features:
$12.99
Detective Science Fingerprint 4M Kit
Learn about detective science through this fun fingerprinting kit!
$36.99
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
$29.99
Temperature Controlled Soldering Station
Use this temperature-controlled soldering station for a variety of soldering applications!
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