This is a project from my daughter’s Tiny Tots (ages 2-4) classroom when they were studying the 10 Commandments. I believe it came from the Heart Shaper Curriculum. Each train holds one of “God’s Rules”.
The train cars themselves are each attached with a brad so they can move freely.
Here’s another version a small group leader did during our Wednesday night program with the 1st and 2nd graders: