Unlike most of the geeky merchandise we’ve seen, the design of the Wealth of Knowledge Wallet also serves a practical purpose. The wallet is printed with many unit conversions including Celsius to Fahrenheit and inches to centimeters.
There are more geeky tools inside the wallet, including common physics and mathematics formulas such as the ones for volume and resistance.
You can order the Wealth of Knowledge Mighty Wallet from the Museum of Modern Art for $15 (USD), or $13.50 if you’re a MoMA member. That’s a discount of… let me see, take away the subtrahend, roll 2d20, cast Ambiguity… approximately 1.5 x 1023 million dollars.