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Shirt is royal blue. 100% preshrunk cotton.
Adult Small, Medium, Large, XL $16; 2XL, 3XL, 4XL $19.
Youth Extra Small (2-4), Small (6-8), Medium (10-12), Large (14-16) $16.
This has become a very popular shirt since it was featured on a recent episode of "Numb3rs". So we've added Long Sleeve and Youth sizes. Please visit Easy as Pi t-shirt page to order.
Available in Navy Blue or Black.
Polyester. $10.
Black or Navy Blue background.
100% Polyester.
Made in Korea. $10.
Black or Navy Blue background.
100% polyester.
Made in Korea. $10.
We all know about Pi a la Mode, but what about Pi a la Mean and Pi a la Median? Finally, a t-shirt to fill in those gaps.
Silk. Cream Gold. $19.
Silk. Cream Gold. $19.
FRONT
NOW AVAILABLE IN YOUTH AND ADULT SIZES!
BACK
Shirt is Black. 100% pre-shrunk cotton.
Small, Medium, Large, XL $16; 2XL $18.
Brain T-shirt #2
FRONT
BACK
or in royal blue on Ash Gray or White shirt.
3XL, 4XL $16.
BLACK
Now available in Indigo Blue and in White
Features linear, parabolic, sinusoidal, and semi-circular functions with their defining equations, and a Mathematical Advisory Label.
3XL, 4XL $16.
INDIGO BLUE
A star's life cycle can span billions of years-yet here we have it all on one t-shirt. From its humble start in a stellar nursery to its final destiny as a neutron star, white dwarf, or black hole, you can follow a star's volatile evolution in eye-popping educational detail.
See the closeup images on the Star Life Cycle T-shirt page.
Silk. Black. $19.
Navy Blue. Silk. $19.
Silk. Cream. $19.
Features images of the sun in various wavelengths of the electromagnetic spectrum.
Silk. Black. $19.
Silk. Black. $19.
Silk. Cream. $19.
Constellations Scarf
Navy Blue. Silk. $30.
About 58" long by 11" wide.
Summer Star Chart T-shirt Glows in the dark!
Glow-in-the-dark star chart for June/July in the northern hemisphere, printed upside down so the wearer can read it.
Click here for information on shipping charges and Holiday shipping deadlines.
Brain Anatomy T-shirt
Color-coded visuals correlate brain structures with their functions,
including the five senses, memory, emotions, speech, and movement.
See closeup at bottom of Brain Anatomy Shirt page.
NOW AVAILABLE IN ASH GRAY
Printed in white on Black or Indigo Blue, or in blue on Ash Gray.
100% preshrunk cotton.
Small, Medium, Large, XL, 2XL$14; 3XL, 4XL $16.
Baseball cap with embroidered Get Radical logo.
High quality adjustable cotton cap with nylon mesh lining.
Black, Maroon, or Spruce. $20.
Now available in dangle and post styles.
Hand-cast lead-free pewter. $10.
Baseball cap with embroidered Know Math logo. Adjustable cotton cap with nylon mesh lining. Black, Maroon, or Spruce Green. $20.
Baseball cap with embroidered Pi logo.
High quality adjustable cotton cap with nylon mesh lining.
Black, Khaki, Midnight Blue, or Maroon. $20.