Image | Item No. | Description |
| 3125-1 (Inv) | Preschool Playtable 17 Parts, 1 Gear, 2004 Catalog: Sets: Explore: Explore Imagination: DUPLO: Supplemental |
| 5350-1 (Inv) | Large Bucket 90 Parts, 2004 Catalog: Sets: Explore: Explore Imagination: DUPLO: Basic Set |
| 5351-1 (Inv) | Large Bucket 90 Parts, 2004 Catalog: Sets: Explore: Explore Imagination: DUPLO: Basic Set |
| 7330-1 (Inv) | Dora's Treasure Island 21 Parts, 1 Minifigure, 2004 Catalog: Sets: Explore: Dora the Explorer: DUPLO |
| 7331-1 (Inv) | Diego's Rescue Truck 10 Parts, 1 Minifigure, 2004 Catalog: Sets: Explore: Dora the Explorer: DUPLO |
| 7332-1 (Inv) | Dora and Boots at Play Park 29 Parts, 2 Minifigures, 2004 Catalog: Sets: Explore: Dora the Explorer: DUPLO |
| 7333-1 (Inv) | Dora and Diego's Animal Adventure 39 Parts, 2 Minifigures, 2004 Catalog: Sets: Explore: Dora the Explorer: DUPLO |
| 7493-1 (Inv) | {Sporty with Barbell} 5 Parts, 1 Minifigure, 2004 Catalog: Sets: Explore: Little Robots: DUPLO |