Using this DX Thunder Armor Summoning Belt is super easy. First, take one of the game cards and put it into the DX Thunder Armor Card Holder. Then insert the card holder with the card into the main belt. When you twist the handle, you'll see the card's symbol on the belt's screen and the transformation sequence starts. You can also swipe the cards to enjoy over 160 different lights and sounds. As for maintenance, keep it away from water and extreme heat. Don't use too much force when inserting or removing the cards to avoid damaging them. When not in use, store it in a dry place. And that's all you need to know to have a great time with your DX Thunder Armor Summoning Belt!