I love incorporating Foldables into my daily routines as often as possible, so I'm always looking for new/creative ways to do this. Because I use an Interactive Science Notebook on an almost daily basis as well, most Foldables fit perfectly into the Spirals or Composition Notebooks.
Here are a few sites I've gathered up to share with you! Click on the picture or Webpage Title to be directed to the site.
Foldables Wiki (if you click on "Pages and Files" on the left of page, you will have access to Teacher-Created Foldables)
Center for Math and Science Education Wiki
Print Cut Fold (click HERE to get a PDF of all of their Activity Types and HERE for Free Templates from Arlington ISD)
PDF Guide to Making Tons of Foldables