How can i animate my object with one bone? I`m trying making an animation with an wand to my game, i follow this tutorial from Blender Youtube Channel: https://www.youtube.com/watch?v=cZ3o5tjO51s

I create my wand with 3 separeted meshs and merge with CTRL+j then i create an armature with only one bone and set inside:

Then i selected both armature and wand and click parent with automatic weights.

But when i move the armature in pose mode the wand don't move. Is there a diferent set to make a object move with only one bone
The correct procedure in to select in object mode the mesh first, the armature second (with shift select), then press Ctrl P and choose with automatic weights option. In this way moving in pose mode the bone will move the mesh strictly tied. Another (and better) way is to choose the "bone" option, which can be used when the mesh doesn't have to be deformed (in your case, in which you have one bone only, the result is exactly the same).