ThinkGeek offers 20% off sitewide to celebrate Pi Day: Flux Capacitor Wristwatch $47 shipped

Today only, you can save 20% on orders of $40 or more at ThinkGeek with the coupon code: FROOD used at checkout. There is variety of gifts you can get to help celebrate tomorrow 3.14.15 otherwise known as Pi day AKA Albert Einstein’s birthday. It’s a mathematical day of amusement and Think Geek has you covered in style.

Some of our picks include:

• Back to the Future Wristwatch $49.99 drops to $39.99 
• Exclusive Star Wars Death Star Rug $59.99 drops to $47.99

+ 6.95 flat rate shipping or Free over $75

Also, AmazonLocal.com is offering an additional $3.14 off Any One Amazon Local Deal in celebration of Pi Day when you apply coupon code 31415926 at checkout

Calculate this: Is it the most important Pi Day of the century because it’s the first time in 100 years that Pi Day lands on the first 5 digits of pi (3/14/15), or is it because you can save an extra $3.14 on everything at Amazon Local today through Sunday (3/13 to 3/15/15)? Get a historic slice of savings with this promo code: 31415926.  (As nerds everywhere know, we chose that promo code because at 9:26 on March 14, it will be 3.1415926.) Unlike pi, the code is not infinitely available but is good for one-time use.

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