Happy Pi Day! Every March 14 (or 3.14) we honor our favorite mathematical constant, and this year you can gather up some math-themed products to celebrate the occasion. But be warned that you'll probably be in the mood for a slice of pie by the end.

1. ICE CUBE TRAY; $16

Make ice, chocolate, soap, or whatever you would like with this pi symbol mold. The design even allows for ice cubes to hook on to the side of a glass.

Find it: Amazon

2. STEEL BOWL; $98

This steel bowl from UncommonGoods is perfect if you're going for a math-themed kitchen. The sleek design features the laser-cut numerals of pi wrapping around the bowl and slowly disappearing.

Find it: UncommonGoods

3. PI VS. PI SHIRT; $25

Loyal fans of Mad magazine will remember the explosive exploits found in the comic Spy vs. Spy. Now the monochromatic adversaries find new life as pi symbols on this cotton T-shirt.

Find it: Mental Floss Store

4. PI TIE; $20

This bold red tie has a secret message for anyone who looks close enough. The red jacquard design shows the first 100 digits of pi written in an appropriate old-school computer font.

Find it: ThinkGeek

5. PIZZA CUTTER; $20

Cut the pizza pie with a pi pizza cutter. The dual stainless steel blades make sure that each piece is properly sliced right through the crust.

Find it: Amazon

6. TOTE BAG; $18

At first glance, this might seem like a jumble of random mathematical symbols, but once you look closer, you'll realize there's a message for all math (and dessert) lovers.

Find it: Amazon

7. SOCKS; $10

You can grab a pair of these trendy black socks to celebrate your love of pi—and pie.

Find it: Modcloth

8. CUFF LINKS; $31

A pair of slick cuff links to match your new pi tie.

Find it: Zazzle

9. PLATES; $35

If you're going to eat some pie, it might as well be on an appropriate plate. These ironstone plates have the same expression as the tote bag above: "i eight sum pi." They're also machine washable, so go ahead and load up the banana cream.

Find it: UncommonGoods

10. SCARF; $25

This black scarf with pi symbols on it is perfect to complete your outfit.

Find it: ThinkGeek

11. PIE DISH; $28

No pie should ever be served without a pi dish. Because, come on, the joke's too easy.

Find it: Mental Floss Store

Mental Floss has affiliate relationships with certain retailers, including Amazon, and may receive a small percentage of any sale. But we only get commission on items you buy and don’t return, so we’re only happy if you’re happy. Good luck deal hunting!