Story maps - you will need PowerPoint on the computer. This is a way of retelling stories that we're doing a lot of in school at the moment - I'll show you how to do it with both kids at half term, will be great for them.
I was given a group task at uni to creat a science display on the topic of pushes and pulls. As I am specialising in early years we had to aim it at the ages of years olds. We chose to use the story of The Enormous Turnip as a stimulus.