Miraculous tools or Miraculous weapons are special tools that come with Miraculouses. Whenever a Miraculous holder transforms, they possess a tool specific to whichever Miraculous they have.
For the sake of seeing and communicating with kwamis, a mage in ancient times created the Miraculouses, magic jewels. At the same time of making Miraculouses, the mage created tools to go with each Miraculous.
Each tool is a different object, like Ladybug's yo-yo and Cat Noir's staff. There are many types of tools, including toys, musical instruments, and weapons. Usually, the tool is a size that can easily be carried by hand, and some tools can be worn when they aren't in use, such as Ladybug wrapping her yo-yo around her hips.
Many of the tools are used as weapons, being handy for offense and defense. The tools usually being indestructible, it takes a powerful or magical force, like Simon Says' command card, to break them. Some of them are capable as means of transportation, as Ladybug can swing from place to place with her yo-yo and Cat Noir can vault himself with his staff. Tools can also have technological features to them, including a phone, a GPS, and a search engine.
For some Miraculous holders, they need the tool to use their superpowers. For example, Ladybug tosses the yo-yo into the air whenever she utilizes Lucky Charm.