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.
This advanced physics kit is perfect for older children already versed in physics knowledge!
Experience this sphere powered by the sun!
Watch this laser pointer emit a cool purple beam!
Command robotic creations with this cool construction kit!
This SUPER Erector Construction set is one of the best you'll find anywhere!
This smaller transportable Van de Graaff Generator will easily fit in any classroom!