Image | Item No. | Description |
| 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 |
| 1691-1 | Black Racer 1990 Catalog: Sets: Town: Classic Town: Race |
| 10055-1 (Inv) | Black Slopes 33 3 x 1 and 3 x 3 50 Parts, 2003 Catalog: Sets: Bulk Bricks |
| 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 |
| 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 |
| 991221-1 (Inv) | Blue Plates Pack (Pack of 25) 25 Parts, 2008 Catalog: Sets: Educational & Dacta: Service Packs |
| 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 |
| 819-1 (Inv) | Blue Sea Plate 1 Part, 1991 Catalog: Sets: Universal Building Set: Supplemental |
| 12-1 (Inv) | Blue Space Elements 8 Parts, 1980 Catalog: Sets: Service Packs: Space |
| 8233-1 (Inv) | Blue Thunder Vs. The Stinger 118 Parts, 1 Minifigure, 1998 Catalog: Sets: Technic: Competition |
| 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 |
| 2157-2 (Inv) | Boat polybag 16 Parts, 1999 Catalog: Sets: Universal Building Set: Basic |
| 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 |
| 3284-1 (Inv) | Bob's Busy Day 9 Parts, 1 Minifigure, 2003 Catalog: Sets: Explore: Bob The Builder: DUPLO |
| 952104-1 (Inv) | Bob's Fire Stand foil pack 15 Parts, 1 Minifigure, 2021 Catalog: Sets: Town: City: Fire |
| 5003149-1 (Inv) | Bobbins 25 Parts Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 970643-1 (Inv) | Bobbins {Technic Reels} 25 Parts, 2002 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 65186-1 (Inv) | Bohrok 3-pack (contains 8560, 8561, 8564) 3 Sets, 2002 Catalog: Sets: BIONICLE: Bohrok |
| K8563-1 (Inv) | Bohrok Swarm Kit 8 Sets, 2002 Catalog: Sets: BIONICLE: Bohrok |
| K8573-1 (Inv) | Bohrok-Kal Kit 2 Sets, 2003 Catalog: Sets: BIONICLE: Bohrok-Kal |
| 4255-1 (Inv) | Bonus Backpack Set 1 Set, 1 Gear, 1998 Catalog: Sets: FreeStyle |
| 9198-1 (Inv) | Bonus DUPLO Home 2 Sets, 1996 Catalog: Sets: Educational & Dacta: DUPLO |
| 9199-2 (Inv) | Bonus DUPLO Zoo 2 Sets, 1996 Catalog: Sets: Educational & Dacta: DUPLO |
| 9248-1 (Inv) | Bonus Lego Basic Town 2 Sets, 1998 Catalog: Sets: Educational & Dacta: Universal Building Set |
| 9287-1 (Inv) | Bonus Lego Basic Town 2 Sets, 1 Book, 1998 Catalog: Sets: Educational & Dacta: Universal Building Set |
| 9001-1 (Inv) | Bonus Stack 'n' Learn 2 Sets, 1998 Catalog: Sets: Educational & Dacta: Primo |
| 3603-1 (Inv) | Boris Bulldog and Mailbox 3 Parts, 1 Minifigure, 1981 Catalog: Sets: Fabuland: Post Office |
| 2975-1 (Inv) | Bouncing with Tigger 8 Parts, 1 Minifigure, 2001 Catalog: Sets: DUPLO: Winnie The Pooh |
| 1861-1 (Inv) | Box of Bricks 49 Parts, 1996 Catalog: Sets: DUPLO: Basic Set |
| 2863-1 (Inv) | Box of Bricks 100 Parts, 2001 Catalog: Sets: DUPLO: Basic Set |
| 6116-1 (Inv) | Box of Bricks 604 Parts, 2007 Catalog: Sets: Creator: Supplemental |
| 1745-1 (Inv) | Box of Standard Bricks, 3+ 404 Parts, 1995 Catalog: Sets: Universal Building Set: Supplemental |
| 2271-1 (Inv) | Boy with Barrow 3 Parts, 1 Minifigure, 1998 Catalog: Sets: DUPLO: Basic Set |
| 309-1 (Inv) | Bracelet 'Spring' 38 Parts, 1979 Catalog: Sets: Scala: Jewelry |
| 308-1 (Inv) | Bracelet 'Sympathy' 38 Parts, 1979 Catalog: Sets: Scala: Jewelry |
| 4000019-1 (Inv) | Brand Identity and Experience 101 Parts, 2014 Catalog: Sets: LEGO Brand: Promotional |
| 382-1 (Inv) | Breakdown Truck and Car 91 Parts, 1973 Catalog: Sets: LEGOLAND: Vehicle: Traffic |
| 4908-1 (Inv) | Brick Box 100 Parts, 2004 Catalog: Sets: DUPLO: Basic Set |
| 2819-1 (Inv) | Brick Mixer 69 Parts, 1 Minifigure, 1 Gear, 1999 Catalog: Sets: DUPLO: Basic Set |
| 4219-1 (Inv) | Brick Pack 100 288 Parts, 1998 Catalog: Sets: Universal Building Set: Classic Basic |