What makes a train move down the tracks?
What makes a train move down the tracks?  
Podcast: Who Smarted? - Educational Podcast for Kids
Published On: Fri Feb 18 2022
Description: What different kinds of trains are there? Where will you find the most trains? How fast will trains go in the future? For free home activities sign-up at www.WhoSmarted.com See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.