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.
This classic desk toy will keep you amused! Large, 7 inch tall version.
Learn about detective science through this fun fingerprinting kit!
This genuine meteorite is great for the rock collector in your family!
Investigate the most important phenomena in biology, chemistry, and physics by conducting more than 100 fun experiments!
Learn how solar cells transform light into electrical energy with this great kit!
This black scorpion specimen is great for the classroom setting!