Watch the top video: Dominoes with Bricks (wait for it)
In this video, some builders have set up bricks like dominoes...but something unusual happens at the end.
Can you figure out why this happened?
Can you make this happen at your house with dominoes?
Try it! You may have to try it a few times to get it to work.
When you are ready to see how it was done, watch the bottom video: The Brick Double-Domino Effect Explained
What else can you make with your dominoes?