[Product Information]

• Enter your model numberto make sure this fits.
• No Geek--or math teacher--is complete without a friendly Pi character and associated fun pi tools
• What does Pi do for a living? Bake pies! So he wears a pie baker hat. But inside you will find his geometric definition.
• Measure in pi's digits! Tape measure with 400+ digits of Pi's decimal expansion and centimeters on back side.
• Refraction glasses that let you see Pi all around you--extra special when look at small LED or holiday lights!
• Plush Pi sports Pi's decimal expansion in color-coordinated fashion around the rim.