Using this product is super easy. First, you'll need to buy the DX Gamer Driver separately. Then, insert the Maximum Zombie and Hyper Immortal Gashats into the driver. Press the buttons on top of the Gashats to start the transformation sounds for Kamen Rider GENM Hyper Immortal Gamer. Once you're transformed, press the button on the Hyper Immortal Gashat to get some cool dialogue and a special move. If you want, you can just use the Maximum Zombie Gashat by itself to transform into a form you didn't see on the show. Remember, when you press the buttons on the Gashats, you'll hear dialogue from Kamen Rider Outsiders ep 5. As for maintenance, keep the Gashats away from water and rough handling. Store them in a dry place when not in use. Enjoy your Kamen Rider experience!