Where is the 1st key in fnaf world?

In "Five Nights at Freddy's World," the first key can be found in the "Mysterious Mine" area. After entering the mine, players need to navigate through the tunnels until they reach a specific location where the key is located. It's essential to explore thoroughly and defeat any enemies in the area to access the key easily. Collecting this key is crucial for unlocking various features in the game.