Novelty 1-sided die. It's a mobius strip with a couple 1's cut into it. I can't think of any real use for it, but - hey - you know it would be fun ...

Puzzle Case will set your iPhone apart from all the rest. Order this one-of-a-kind design with your choice of color for the top and bottom pieces....

Update!The Kickstarter project to have a run of Mathematician's Dice manufactured has been a great success! Buy the Mathematician's Dice here!A die...

This is a size 9 (18.9mm dia) ring with #1 Dad embossed on the face.

Novelty 1-sided die. It's a mobius strip with a couple 1's embossed on it. I can't think of any real use for it, but - hey - you know it would be f...

It's a zero, and it's a one! This steel pendant IS geek chic.

Puzzle Case will set your iPhone apart from all the rest. Order this one-of-a-kind design with your choice of color for the top and bottom pieces...