A Tabletop RPG Dice Set Alternative in a Credit Card Form Factor

This Cardyhedron object is a fascinating solution, to a problem you'd think no one has. (And you'd be wrong—at press time, at least 4,272 people had this problem.) The "problem" is that you're trying to play Dungeons & Dragons during an earthquake, or on the International Space Station, or on a rollercoaster; whatever the case is, you're not able to roll dice on a flat, stable surface. The credit-card-sized Cardyhedron takes the place of a full set of gaming dice—D4, D6, D8, D10, D12,...