| Image | Item No. | Description |
| 3285-1 (Inv) | Wendy in the Office
9 Parts, 1 Minifigure, 2003
Catalog: Sets: Explore: Bob The Builder: DUPLO |
| 3514-1 (Inv) | Rhino and Lion
29 Parts, 2003
Catalog: Sets: Explore: Explore Imagination: DUPLO: Basic Set |
| 3515-1 (Inv) | African Adventures
52 Parts, 2003
Catalog: Sets: Explore: Explore Imagination: DUPLO: Basic Set |
| 3517-1 (Inv) | Blue Deer
10 Parts, 2003
Catalog: Sets: Explore: Explore Imagination: DUPLO: Basic Set |
| 3519-1 (Inv) | Green Parrot
10 Parts, 2003
Catalog: Sets: Explore: Explore Imagination: DUPLO: Basic Set |
| 3656-1 (Inv) | Police Action
32 Parts, 4 Minifigures, 2003
Catalog: Sets: Explore: Explore Together: DUPLO: DUPLO, Town: Police |
| 3657-1 (Inv) | Fire Fighters
40 Parts, 4 Minifigures, 2003
Catalog: Sets: Explore: Explore Together: DUPLO: DUPLO, Town: Fire |
| 3696-1 (Inv) | Tow-Me Truck
5 Parts, 1 Minifigure, 2003
Catalog: Sets: Explore: Explore Together |
| 3697-1 (Inv) | Fearless Fire Fighter
5 Parts, 1 Minifigure, 2003
Catalog: Sets: Explore: Explore Together: Fire |
| 3698-1 (Inv) | Friendly Police Car
4 Parts, 1 Minifigure, 2003
Catalog: Sets: Explore: Explore Together: Police |
| 3699-1 (Inv) | Happy Constructor
8 Parts, 1 Minifigure, 2003
Catalog: Sets: Explore: Explore Together |
| 3700-1 (Inv) | Emergency Vehicles Set
14 Parts, 3 Minifigures, 2003
Catalog: Sets: Explore: Explore Together |
| 4039-1 (Inv) | Explore Item
90 Parts, 2003
Catalog: Sets: Explore: Explore Imagination: DUPLO: Basic Set |
| 5211-1 (Inv) | Explore Half Strata Box
110 Parts, 2003
Catalog: Sets: Explore: Explore Imagination: DUPLO: Basic Set |
| 5212-1 (Inv) | Explore Strata Box
140 Parts, 2003
Catalog: Sets: Explore: Explore Imagination: DUPLO: Basic Set |
| 5441-1 (Inv) | Smiling Rattle
2 Parts, 2003
Catalog: Sets: Explore: Explore Being Me |
| 5443-1 (Inv) | Curly Hanging Rattle
2 Parts, 2003
Catalog: Sets: Explore: Explore Being Me |
| 5446-1 (Inv) | Dog on Wheels
1 Part, 2003
Catalog: Sets: Explore: Explore Being Me |
| 5450-1 (Inv) | Discovery Bird
2 Parts, 2003
Catalog: Sets: Explore: Explore Being Me |
| 7435-1 (Inv) | Tiny's Day and Night Lever
12 Parts, 1 Minifigure, 2003
Catalog: Sets: Explore: Little Robots: DUPLO |
| 7436-1 (Inv) | Sporty's Jumping Gym
11 Parts, 1 Minifigure, 2003
Catalog: Sets: Explore: Little Robots: DUPLO |
| 7437-1 (Inv) | Gardening with Stripy
23 Parts, 1 Minifigure, 2003
Catalog: Sets: Explore: Little Robots: DUPLO |
| 7439-1 (Inv) | Stretchy's Junk Yard
38 Parts, 2 Minifigures, 2003
Catalog: Sets: Explore: Little Robots: DUPLO |
| 7441-1 (Inv) | Tiny & Friends
54 Parts, 4 Minifigures, 2003
Catalog: Sets: Explore: Little Robots: DUPLO |
| 7446-1 (Inv) | Tiny
2 Parts, 1 Minifigure, 2003
Catalog: Sets: Explore: Little Robots: DUPLO |
| 7449-1 (Inv) | Sporty
2 Parts, 1 Minifigure, 2003
Catalog: Sets: Explore: Little Robots: DUPLO |
| 7450-1 (Inv) | Stretchy
1 Part, 1 Minifigure, 2003
Catalog: Sets: Explore: Little Robots: DUPLO |