Teaching SCRATCH [v3.0] Switching backgrounds

Changing your backdrops can add a whole new feel to your Scratch project.
Scratch is a project of the Scratch Foundation, in collaboration with the Lifelong Kindergarten Group at the MIT Media Lab. It is available for free at https://scratch.mit.edu.
Music I use: https://www.bensound.com
License code: GSJQGJRVVDQOLHCB