Duplo, Train Action Brick with White Drop Pattern : Part 35962pb01 | BrickLink
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 Boys
LEGO 10874 DUPLO My Town Steam Train Set with Action Bricks | Toymaster