It can be challenging to be at your best all the time. Being a teacher is exhilarating but it is also physically, emotionally and intellectually exhausting.
So, it's perfectly okay to turn to your past experiences with children and use them to prompt new work and discussions around a project or topic. You don't always have to reinvent the wheel so to speak.
In fact, make it a habit to find ways to preserve work so you, like the children, can scaffold your learning journey.
In this instance, I used a book that I made to prompt the children.