Is there a script to make transitioning animations?

Hello, There's an example, you equip a gear, an animation plays, then it turns into another animation like an idle. Same thing with unequipping the gear, another animation starts playing. Does anybody have an idea how to make this?

You could just check for when an event is fired, such as Tool.Equipped and then play the animation.

If you don't understand how to use events, I highly recommend that you browse the Roblox Developer Hub to try and figure it out.