I built a remote for the Duplo Train and my daughters had a blast with it. 100% original LEGO pieces, too. : r/lego
Amazon.com: LEGO DUPLO Town Train Tracks Expansion Set 10882 - Building Block Railway Toys for Toddlers, Duplo Train Collection, Learning Through Play, Kid-Friendly Gifts for Boys and Girls Ages 2-5 : Toys
LEGO 10872 DUPLO Town Train Bridge And Tracks Building Set Toymaster | islamiyyat.com
Duplo Layouts
LEGO 10882 Train Tracks Instructions, Duplo
Creative Building Play with DUPLO and Wooden Train Tracks