| Item No. | Description | Image |
| 970019-1 (Inv) | Black 3 Stud Axle (Pack of 100) 100 Parts Catalog: Sets: Educational & Dacta: Service Packs: Technic |  * |
| 970035-1 (Inv) | Black 10-Stud Axles (Pack of 50) 50 Parts Catalog: Sets: Educational & Dacta: Service Packs: Technic |  * |
| 970033-1 (Inv) | Black 8-Stud Axles (Pack of 50) 50 Parts Catalog: Sets: Educational & Dacta: Service Packs: Technic |  * |
| 970120-1 (Inv) | Black Bands (Pack of 50) 25 Parts, 2002 Catalog: Sets: Educational & Dacta: Service Packs |  * |
| 970006-1 (Inv) | Black Friction Connector Peg (Pack of 100) 100 Parts Catalog: Sets: Educational & Dacta: Service Packs: Technic |  * |
| 1971-1 (Inv) | Black Knight's Battering Ram 32 Parts, 1 Minifigure, 1993 Catalog: Sets: Castle: Black Knights |  * |
| 1547-1 (Inv) | Black Knights Boat 50 Parts, 2 Minifigures, 1993 Catalog: Sets: Castle: Black Knights |  * |
| 1888-1 (Inv) | Black Knights Guardshack 40 Parts, 2 Minifigures, 1992 Catalog: Sets: Castle: Black Knights |  * |
| 970007-1 (Inv) | Black O-Ring (Pack of 50) 50 Parts Catalog: Sets: Educational & Dacta: Service Packs: Technic |  * |
| 41493-1 | Black Panther & Dr. Strange - San Diego Comic-Con 2016 Exclusive 2016 Catalog: Sets: BrickHeadz: Super Heroes |  * |
| 970683-1 (Inv) | Black Plates - Large Package 165 Parts, 2002 Catalog: Sets: Educational & Dacta: Service Packs |  * |
| 991426-1 (Inv) | Black Plates - Large Package 165 Parts, 2009 Catalog: Sets: Educational & Dacta: Service Packs: Technic |  * |
| 970100-1 (Inv) | Black Plates - Large Package (165 Plates) 165 Parts Catalog: Sets: Educational & Dacta: Service Packs |  * |
| 10061-1 (Inv) | Black Plates 1 x n 84 Parts, 2002 Catalog: Sets: Bulk Bricks |  * |
| 10057-1 (Inv) | Black Plates 2 x n 56 Parts, 2002 Catalog: Sets: Bulk Bricks |  * |
| 5217-1 (Inv) | Black Plates Assorted 42 Parts, 1999 Catalog: Sets: Service Packs |  * |
| 1691-1 | Black Racer 1990 Catalog: Sets: Town: Classic Town: Race |  * |
| 10160-1 (Inv) | Black Ridge Roof Tiles 48 Parts, 2004 Catalog: Sets: Bulk Bricks |  * |
| 10053-1 (Inv) | Black Slopes 33 44 Parts, 2003 Catalog: Sets: Bulk Bricks |  * |
| 10055-1 (Inv) | Black Slopes 33 3 x 1 and 3 x 3 50 Parts, 2003 Catalog: Sets: Bulk Bricks |  * |
| 242505-1 (Inv) | Black Widow paper bag 2 Parts, 1 Minifigure, 2025 Catalog: Sets: Super Heroes: The Infinity Saga |  * |
| 6861-2 | Blacktron Super Vehicle (Super Model instructions) 1993 X Catalog: Sets: Space: Blacktron II |  * |
| 071-1 (Inv) | Block Box 24 Parts, 1979 Catalog: Sets: DUPLO: Basic Set |  * |
| 338-2 (Inv) | Blondi the Pig and Taxi Station 36 Parts, 1 Minifigure, 1979 Catalog: Sets: Fabuland |  * |
| char01-8 (Inv) | Blooper, Super Mario, Series 1 (Complete Set) 6 Parts, 1 Minifigure, 2020 Catalog: Sets: Super Mario: Super Mario Series 1 |  * |
| BLUE-1 (Inv) | Blue 36 Parts, 2015 Catalog: Sets: Jurassic World: Promotional |  * |
| 876-1 (Inv) | Blue Beams with Connector Pegs 38 Parts, 1979 Catalog: Sets: Technic: Expert Builder |  * |
| 9823-1 (Inv) | Blue Beams with Holes 68 Parts, 1994 Catalog: Sets: Educational & Dacta: Service Packs: Technic |  * |
| 3405-1 (Inv) | Blue Bus 108 Parts, 6 Minifigures, 2000 Catalog: Sets: Sports: Soccer |  * |
| 991221-1 (Inv) | Blue Plates Pack (Pack of 25) 25 Parts, 2008 Catalog: Sets: Educational & Dacta: Service Packs |  * |
| 10471-1 | Blue Police Motorcycle 2026 Catalog: Sets: DUPLO: DUPLO, Town: Police |  * |
| 4298-1 (Inv) | Blue Power 20 Parts, 1 Minifigure, 2002 Catalog: Sets: Racers: Drome Racers |  * |
| 1282-1 (Inv) | Blue Racer 18 Parts, 1 Minifigure, 2000 Catalog: Sets: Town: Race |  * |
| 4301-1 (Inv) | Blue Racer polybag 21 Parts, 1 Minifigure, 2003 Catalog: Sets: Racers: Drome Racers |  * |
| 12-1 (Inv) | Blue Space Elements 8 Parts, 1980 Catalog: Sets: Service Packs: Space |  * |
| 4411-1 (Inv) | Blue Strata XXL 1200 Parts, 2004 Catalog: Sets: Creator: Basic Set |  * |
| 8233-1 (Inv) | Blue Thunder Vs. The Stinger 116 Parts, 1 Minifigure, 1998 Catalog: Sets: Technic: Competition |  * |
| 4911-1 (Inv) | Blue Truck polybag 37 Parts, 2005 Catalog: Sets: Creator: Basic Model: Traffic |  * |
| 4278-1 (Inv) | Blue Tub 1000 Parts, 2003 Catalog: Sets: Creator: Basic Set |  * |
| 5537-1 (Inv) | Blue Tub 683 Parts, 2008 Catalog: Sets: Creator: Basic Set |  * |
| 2833-1 (Inv) | Bluebell Girl and Friends 32 Parts, 2 Minifigures, 1 Book, 1999 Catalog: Sets: DUPLO: Little Forest Friends |  * |
| 2157-1 (Inv) | Boat {Kabaya Version} 16 Parts, 2000 Catalog: Sets: Universal Building Set: Basic |  * |
| 2157-2 (Inv) | Boat polybag 16 Parts, 1999 Catalog: Sets: Universal Building Set: Basic |  * |
| 1118-1 (Inv) | Boat Weight, Red 1 Part, 1977 Catalog: Sets: Service Packs |  * |
| 2412-1 (Inv) | Boat Yard Building Set 15 Parts, 2 Minifigures, 1985 Catalog: Sets: DUPLO: Basic Set |  * |
| 312-4 (Inv) | Boats 107 Parts, 1961 Catalog: Sets: Classic: Vehicle: Harbor |  * |
| 9119-1 (Inv) | Bob the Builder Set 68 Parts, 7 Minifigures, 2001 Catalog: Sets: Educational & Dacta: DUPLO: Bob The Builder |  * |
| 3275-1 (Inv) | Bob's Big Building Box 47 Parts, 1 Minifigure, 2001 Catalog: Sets: DUPLO: Bob The Builder |  * |
| 3284-1 (Inv) | Bob's Busy Day 9 Parts, 1 Minifigure, 2003 Catalog: Sets: Explore: Bob The Builder: DUPLO |  * |
| 3273-1 (Inv) | Bob, Lofty and the Mice 11 Parts, 2 Minifigures, 2001 Catalog: Sets: DUPLO: Bob The Builder |  * |