This cool new Pi t-shirt features math constant Pi to 100 places and its definition of circumference divided by diameter of the circle.
You will be super-cool when you wear this shirt on March 14th, the Pi day!
On March 14th, people all over the United States participate in National Pi Day, which celebrates the irrational number Pi and encourages funding for math and science programs in schools.
Exciting magnet exploration for ages 8 and up!
Build a model green house and 9 other green energy-related devices with this great kit!
Check out this high-quality gyroscope!
Get this great introductory chemistry kit for your favorite young scientist!
A beautiful desk or bookshelf accessory for the reading fanatic in your family!
The Wimshurst Machine is a high quality static machine for student labs.