About this story
An arm stronger than a hundred grown-ups
Excavators spin all the way around, roll on tank tracks, and scoop the earth with a mighty toothed bucket.
About 6 minutes, for ages 4–8. In the app, this story is told in the voice of someone your kids love — Grandma, Grandpa, Mom, Dad, or any trusted storyteller — with their own names woven in.
What kids will hear
- A digger's cab can spin all the way around.
- Its arm is moved by liquid pushed through tubes, called hydraulics.
- Caterpillar tracks stop a digger sinking into soft ground.