Yes! Inside the box is a small cardboard insert, holding the cards in place - this is easily removable and would allow you to store two piles of cards and all the health cubes.
The cards are traditional poker card size (63.5mm x 88.9mm).
We will not be using a pledge manager after the campaign. We'll put a call out in the last 48 hours for people to update their pledges if they choose to.
Don't see the answer to your question? Ask the project creator directly.