Using this Ojamajo Doremi Rhythm Tap is super easy. Just turn it on and start tapping the center button to match the beat of the melody. You'll feel like you're right in the anime! When it comes to maintenance, keep it away from water and don't drop it. If it gets dirty, you can use a soft, dry cloth to gently wipe it. Make sure to use the correct type of batteries and replace them when they run out. And remember, this product is for personal entertainment, so don't use it for any commercial purposes. Enjoy your Rhythm Tap and have a great time!