LEGO® DUPLO® Connected Train - Apps on Google Play
How to take apart a Duplo train | Pim's Blog
Lego Duplo Track System 10506 Extra 100% Complete Train Accessory Set Switch 673419215770 | eBay
Not sure if lego duplo qualifies as lego, but I build a train track that disposes the train : r/lego
Train Tracks 10882 | DUPLO® | Buy online at the Official LEGO® Shop US
Amazon.com: LEGO DUPLO Town Train Bridge and Tracks 10872 - Toy Set for Kids and Toddlers, Railway Building Bricks Set with a Bridge, Figure, and Horn Sound Action Brick, Great Gift for