Image | Item No. | Description |
| 520-9 (Inv) | Bricks, Half Bricks, 2 Trolleys 21 Parts, 1975 Catalog: Sets: DUPLO: Basic Set |
| 519-8 (Inv) | Bricks, Half Bricks, Arches, Trolley 20 Parts, 1975 Catalog: Sets: DUPLO: Basic Set |
| 2717-1 (Inv) | Bridge 5 Parts, 1984 Catalog: Sets: DUPLO: DUPLO, Train |
| 3774-1 (Inv) | Bridge 26 Parts, 2005 Catalog: Sets: DUPLO: DUPLO, Train |
| 2600-1 (Inv) | Brontosaurus Family 30 Parts, 2 Minifigures, 1998 Catalog: Sets: DUPLO: Dino |
| 3762-1 (Inv) | Bucket 69 Parts, 1 Minifigure, 1998 Catalog: Sets: DUPLO: Basic Set |
| 2374-1 (Inv) | Bucket 57 Parts, 2 Minifigures, 1992 Catalog: Sets: DUPLO: Basic Set |
| 4830-1 (Inv) | Bucket 50 Parts, 1 Minifigure, 2001 Catalog: Sets: DUPLO: Basic Set |
| 5352-1 (Inv) | Bucket 140 Parts, 2004 Catalog: Sets: DUPLO: Basic Set |
| 5353-1 (Inv) | Bucket 140 Parts, 2004 Catalog: Sets: DUPLO: Basic Set |
| 2383-1 (Inv) | Bucket 61 Parts, 1992 Catalog: Sets: DUPLO: Basic Set |
| 1893-1 (Inv) | Bucket with Bonus Animals 37 Parts, 1992 Catalog: Sets: DUPLO: Basic Set |
| 5371-1 (Inv) | Bucket with Bonus Pack (bucket only, without bonus box) 90 Parts, 2005 Catalog: Sets: DUPLO: Basic Set |
| 5572-1 (Inv) | Build & Play 99 Parts, 1 Minifigure, 2008 Catalog: Sets: DUPLO: Basic Set |
| 66236-1 (Inv) | Build & Play Value Pack 2 Sets, 2008 Catalog: Sets: DUPLO: Basic Set |
| 5419-1 (Inv) | Build a Farm 106 Parts, 1 Minifigure, 2007 Catalog: Sets: DUPLO: Basic Set |
| 2390-1 (Inv) | Build and Learn Bucket 27 Parts, 2 Minifigures, 1994 Catalog: Sets: DUPLO: Basic Set |
| 6130-1 (Inv) | Build and Play 99 Parts, 1 Minifigure, 2011 Catalog: Sets: DUPLO |
| 4629-1 (Inv) | Build and Play Box 150 Parts, 2012 Catalog: Sets: DUPLO |
| 66283-1 (Inv) | Build and Play Value Pack 2 Sets, 2009 Catalog: Sets: DUPLO: Basic Set |
| 2221-1 (Inv) | Build N' Play Circus Theme 81 Parts, 4 Minifigures, 1996 Catalog: Sets: DUPLO: DUPLO, Town: Circus |
| 2220-1 (Inv) | Build N' Play Fire Theme 56 Parts, 3 Minifigures, 1996 Catalog: Sets: DUPLO: Basic Set: Fire |
| 1614-1 (Inv) | Build-a-Farm 26 Parts, 2 Minifigures, 1993 Catalog: Sets: DUPLO: DUPLO, Town: Farm |
| 10423-1 (Inv) | Buildable People with Big Emotions 71 Parts, 1 Book, 2024 Catalog: Sets: DUPLO |
| 2393-1 (Inv) | Building Bucket 40 Parts, 1 Minifigure, 1994 Catalog: Sets: DUPLO: Basic Set |
| 2398-1 (Inv) | Building Bucket 64 Parts, 1 Minifigure, 1994 Catalog: Sets: DUPLO: Basic Set |
| 5548-1 (Inv) | Building Fun 81 Parts, 2010 Catalog: Sets: DUPLO: Basic Set |
| 2305-1 (Inv) | Building Plate 24 x 24 1 Part, 1984 Catalog: Sets: DUPLO: Supplemental |
| 2302-1 (Inv) | Building Plate 24 x 24 1 Part, 1982 Catalog: Sets: DUPLO: Supplemental |
| 2303-1 (Inv) | Building Plates 2 Parts, 1991 Catalog: Sets: DUPLO: Supplemental |
| 4632-1 (Inv) | Building Plates 3 Parts, 2012 Catalog: Sets: DUPLO: Supplemental |
| 2301-1 (Inv) | Building Plates 6 x 12 2 Parts, 1985 Catalog: Sets: DUPLO: Supplemental |
| 020-2 (Inv) | Building Set 25 Parts, 1973 Catalog: Sets: DUPLO: Basic Set |
| 030-2 (Inv) | Building Set 29 Parts, 1973 Catalog: Sets: DUPLO: Basic Set |
| 510-3 (Inv) | Building Set 17 Parts, 1969 Catalog: Sets: DUPLO: Basic Set |
| 511-1 (Inv) | Building Set 27 Parts, 1969 Catalog: Sets: DUPLO: Basic Set |
| 512-1 (Inv) | Building Set 20 Parts, 1970 Catalog: Sets: DUPLO: Basic Set |
| 513-1 (Inv) | Building Set 31 Parts, 1970 Catalog: Sets: DUPLO: Basic Set |
| 515-2 (Inv) | Building Set 31 Parts, 1973 Catalog: Sets: DUPLO: Basic Set |
| 1585-1 (Inv) | Building Set 12 Parts, 1 Minifigure, 1987 Catalog: Sets: DUPLO |
| 1957-1 (Inv) | Building Set with Storage Bunny 24 Parts, 2 Minifigures, 1 Gear, 1985 Catalog: Sets: DUPLO: Basic Set |
| 2950-1 (Inv) | Building Site 47 Parts, 3 Minifigures, 1993 Catalog: Sets: DUPLO: Toolo |
| 3024-1 (Inv) | Building Table 21 Parts, 1998 Catalog: Sets: DUPLO: Supplemental |
| 1086-1 (Inv) | Bulk Bucket 48 Parts, 2000 Catalog: Sets: DUPLO: Basic Set |
| 10930-1 (Inv) | Bulldozer 9 Parts, 1 Minifigure, 2020 Catalog: Sets: DUPLO: DUPLO, Town: Construction |
| 5636-1 (Inv) | Bus 11 Parts, 3 Minifigures, 2009 Catalog: Sets: DUPLO: DUPLO, Town: Traffic |
| 5641-1 (Inv) | Busy Garage 49 Parts, 2 Minifigures, 2009 Catalog: Sets: DUPLO: DUPLO, Town: Traffic |
| 10962-1 (Inv) | Buzz Lightyear’s Planetary Mission 36 Parts, 1 Minifigure, 2022 Catalog: Sets: DUPLO: Lightyear |
| 10587-1 (Inv) | Café {Cafe} 49 Parts, 3 Minifigures, 2015 Catalog: Sets: DUPLO |
| 088-2 (Inv) | Camping 8 Parts, 2 Minifigures, 1977 Catalog: Sets: DUPLO: Basic Set |