LEGO Blue Duplo Hand Wagon with Yellow Wheels | Brick Owl - LEGO Marketplace
BrickLink - Part 2032pb01 : LEGO Duplo, Train Wagon (fits 2 x 6 car / train bases) with Thomas & Friends Truck Face Pattern [DUPLO, Train] - BrickLink Reference Catalog
LEGO Duplo - Train Wagon Low Side Car Red duptrain01/6440/6441 - DECOTOYS
LEGO DUPLO Jake Beach Racing - Walmart.com
LEGO DUPLO Creative Play Toddler Build and Pull Along 10555