Using this upgrade kit is a breeze. Just add the six character cards to your existing Betrayal at House on the Hill game. When you play, use the cards to easily keep track of your character's stats. The eight new dice are ready to roll right out of the box. Make sure to handle the cards gently to avoid bending or tearing. Keep them in a dry place when not in use. As for the dice, store them in a small container to prevent them from getting lost. With proper care, this upgrade kit will enhance your gaming sessions for a long time.