POWERPOINT PRESENTATIONS. To secure the fonts and clipart I use in my products, the slides themselves are NOT EDITABLE.
HOWEVER you can add, delete or rearrange slides to customize the presentation for your classroom. I have a separate presentation that contains blank background slides for you to use if you choose to add to the presentations (available here in my store for free). If you want to add content and would like to ensure the look is consistent, you will need to download some fonts