Tile, Round 2 x 2 with Bottom Stud Holder with White Curved Arrow Double on Red Background Pattern (Sticker) - Sets 60052 / 60198 / 60200 / 60233 : Part 14769pb009 | BrickLink
I rebuilt 60052 into a different train with different cargo and vehicles, using only parts from the original set (excluding extras). I'll share the instructions at some point, and maybe try another
Sticker Sheet for Set 60052 - (15114/6045714) : Part 60052stk01 | BrickLink
Wedge 4 x 6 x 2/3 Triple Curved with Box and Arrows and Globe Pattern on Green Background (Sticker) - Set 60052 : Part 52031pb080 | BrickLink
Tile 2 x 2 with Groove with Chevron Stripes Red and White Pattern (Sticker) - Set 60052 : Part 3068bpb0855 | BrickLink
Door 1 x 4 x 5 Train Right, Thin Support at Bottom with Bright Light Orange Stripe and '60052' Pattern (Sticker) - Set 60052 : Part 4182pb042 | BrickLink
LEGO Set 60052-1 Cargo Train (2014 City > Trains) | Rebrickable - Build with LEGO