After our experiences today, I have stolen this video from the EdLab clay project which applies to our projects also. Look up the 7 Ps of planning effective workshops.
The 7 Ps of planning an effective workshop – https://ccskills.org.uk/careers/develop-your-career/article/the-7-ps-of-planning-effective-workshops
A short video to that shows the considerations taken to produce a meaningful experience. It goes with this worksheet. You may find this helpful, if not, there are other formats.