Using this kit is super easy. First, take your SH Figuarts Kamen Rider Revi. Then, carefully remove the existing parts and replace them with the new ones from the kit, like the head, breastplate, and shoulder armor. Stick on the stickers for that extra look. When you want to change the breastplate from open - winged to closed, just attach the additional parts. As for maintenance, keep the kit away from direct sunlight and extreme temperatures. If it gets dirty, you can use a soft, dry cloth to gently wipe it. Also, handle the parts with care to avoid any breakage.