To use this Dukemon and Gallantmon model kit, first, carefully remove the parts from the sprue. Then, follow the included instructions to assemble them step - by - step. Make sure to handle the parts gently to avoid breakage. When assembling, use appropriate tools like tweezers for small pieces. After assembly, you can display it in your favorite spot. As for maintenance, keep it away from direct sunlight to prevent color fading. Also, avoid placing it in a humid area to prevent rust or damage to the plastic parts. If it gets dirty, you can use a soft, dry cloth to gently wipe it clean.