How to use: For the Kamen Rider Geats Sound Core ID, just flip the switch to enjoy different modes with dialogues from Ace, Tsumuri, and Dark Tsumuri. The Core IDs can be used in relevant Kamen Rider toys as designed. Note: Keep these items away from small children to avoid choking hazards. When not in use, store them in a cool and dry place to prevent damage. Maintenance: Wipe the Core IDs gently with a soft cloth if they get dirty. Don't use harsh chemicals as they might damage the coloring and the electronic components.