LEGO Set 3656-1 Police Action (Explore) (2003 Duplo > Town) | Rebrickable - Build with LEGO
LEGO Set 9125-1 Intelligent Train Set (2003 Educational and Dacta > Duplo and Explore) | Rebrickable - Build with LEGO
Amazon.com: LEGO DUPLO Town Truck & Tracked Excavator Construction Vehicle 10931 Toy for Toddlers 2-4 Years Old Girls & Boys, Fine Motor Skills Development and Learning Toy : Toys & Games
In set 4684-1 | Brickset: LEGO set guide and database
LEGO Set 3657-1 Fire Fighters (Explore) (2003 Duplo > Town) | Rebrickable - Build with LEGO