Using this Evangelion Unit - 01 build kit is a breeze. First, take out the parts from each weekly issue carefully. Follow the instructions step - by - step to assemble the model. When it comes to adding the LEDs and speaker, make sure the connections are secure. To use the remote, turn it on and pair it with the model as per the instructions. When playing the background music, you can adjust the volume to your liking. As for the accessories, you can attach them as you like to customize your model. For maintenance, keep the model away from moisture and direct sunlight to prevent damage to the LEDs and other electronic parts. If you need to clean it, use a soft, dry cloth. When not in use, store it in a safe place to avoid any accidental knocks or scratches.