Image | Item No. | Description |
| 4084-1 (Inv) | Bucket 45 Parts, 2002 Catalog: Sets: Explore: Explore Imagination: DUPLO: Basic Set |
| 6630-1 (Inv) | Bucket Loader 26 Parts, 1 Minifigure, 1981 Catalog: Sets: Town: Classic Town: Construction |
| 1637-1 (Inv) | Bucket of Bricks 476 Parts, 2 Minifigures, 1990 Catalog: Sets: Universal Building Set: Basic |
| 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 |
| 2229-1 (Inv) | Bucketful of Fun 182 Parts, 1998 Catalog: Sets: Universal Building Set: Classic Basic |
| 1136-1 (Inv) | Buffers, Magnetic Couplers 6 Parts, 1981 Catalog: Sets: Service Packs: Train |
| 5303-1 (Inv) | Buffers, Magnets & Couplers 6 Parts, 1992 Catalog: Sets: Service Packs: Train |
| 6903-1 (Inv) | Bug Blaster 20 Parts, 1 Minifigure, 1998 Catalog: Sets: Space: Insectoids |
| 1258-1 (Inv) | Buggy 29 Parts, 1999 Catalog: Sets: Technic: Model: Off-Road |
| 4067-1 (Inv) | Buggy polybag 15 Parts, 2001 Catalog: Sets: Studios |
| 2390-1 (Inv) | Build and Learn Bucket 27 Parts, 2 Minifigures, 1994 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 |
| 4107-1 (Inv) | Build Your Dreams 1000 Parts, 2002 Catalog: Sets: Creator: Basic Set |
| 1614-1 (Inv) | Build-a-Farm 26 Parts, 2 Minifigures, 1993 Catalog: Sets: DUPLO: DUPLO, Town: Farm |
| 1545-1 (Inv) | Build-A-Rabbit polybag 29 Parts, 1992 Catalog: Sets: Holiday & Event: Easter |
| 1978-1 (Inv) | Build-A-Santa polybag 39 Parts, 1991 Catalog: Sets: Holiday & Event: Christmas |
| 365-2 (Inv) | Build-N-Store Chest 333 Parts, 1 Minifigure, 5 Gear, 1990 Catalog: Sets: Universal Building Set: Basic |
| 385-2 (Inv) | Build-N-Store Chest 420 Parts, 2 Minifigures, 7 Gear, 1990 Catalog: Sets: Universal Building Set: Basic |
| 545-1 (Inv) | Build-N-Store Chest 404 Parts, 2 Minifigures, 5 Gear, 1990 Catalog: Sets: Universal Building Set: Basic |
| 565-2 (Inv) | Build-N-Store Chest 668 Parts, 2 Minifigures, 7 Gear, 1990 Catalog: Sets: Universal Building Set: Basic |
| 167-2 (Inv) | Building Accessory Pack / House and Garden Extra Parts Kit 112 Parts, 1971 Catalog: Sets: Samsonite: Supplemental |
| 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 |
| 1031-1 (Inv) | Building Cards - 1030 20 Books, 1983 Catalog: Sets: Educational & Dacta: Technic: Supplemental |
| 9874-1 (Inv) | Building Cards - 1090 6 Books, 1992 Catalog: Sets: Educational & Dacta: Technic: Supplemental |
| 1033-1 (Inv) | Building Cards for Set 1032 20 Books, 1985 Catalog: Sets: Educational & Dacta: Technic: Supplemental |
| 804-2 (Inv) | Building Crane 63 Parts, 1964 Catalog: Sets: Samsonite: Basic Set |
| 2019-1 (Inv) | Building Fun 29 Parts, 1 Minifigure, 1998 Catalog: Sets: Primo |
| 4226-1 (Inv) | Building Monsters 503 Parts, 2 Minifigures, 1998 Catalog: Sets: Universal Building Set: Classic Basic |
| 5010-1 (Inv) | Building Plate 16 x 32, Green 1 Part, 1990 Catalog: Sets: Service Packs |
| 5009-1 (Inv) | Building Plate 16 x 32, Yellow 1 Part, 1990 Catalog: Sets: Service Packs |
| 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 |
| 9869-1 (Inv) | Building Plates (24 x 24) 3 Parts, 1992 Catalog: Sets: Educational & Dacta: Service Packs |
| 2301-1 (Inv) | Building Plates 6 x 12 2 Parts, 1985 Catalog: Sets: DUPLO: Supplemental |
| 1341-1 (Inv) | Building Plates, Green 3 Parts, 1985 Catalog: Sets: Educational & Dacta: Service Packs |
| 8020-1 (Inv) | Building Set 119 Parts, 1984 Catalog: Sets: Technic: Universal Building Set |
| 8040-1 (Inv) | Building Set 162 Parts, 1984 Catalog: Sets: Technic: Universal Building Set |
| 105-2 (Inv) | Building Set 150 Parts, 1973 Catalog: Sets: Universal Building Set: Basic Set |
| 115-1 (Inv) | Building Set 190 Parts, 1973 Catalog: Sets: Universal Building Set: Basic Set |
| 125-2 (Inv) | Building Set 234 Parts, 1974 Catalog: Sets: Universal Building Set: Basic Set |
| 135-1 (Inv) | Building Set 338 Parts, 1973 Catalog: Sets: Universal Building Set: Basic Set |
| 145-1 (Inv) | Building Set 412 Parts, 1974 Catalog: Sets: Universal Building Set: Basic Set |
| 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 |