| Item No. | Description | Image |
| char01-6 (Inv) | Bob-omb, Super Mario, Series 1 (Complete Set)
11 Parts, 1 Minifigure, 2020
Catalog: Sets: Super Mario: Super Mario Series 1 | 
* |
| 6964-2 (Inv) | Boba Fett's Slave I - Mini polybag
25 Parts, 2004
Catalog: Sets: Star Wars: Mini: Star Wars Episode 4/5/6 | 
* |
| 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 | 
* |
| 1169-1 (Inv) | Bogie Plates
2 Parts, 1986
Catalog: Sets: Service Packs: Train | 
* |
| 5074-1 (Inv) | Bogie Plates, Black
2 Parts, 1987
Catalog: Sets: Service Packs: Train | 
* |
| 5302-1 (Inv) | Bogieplates, Black
2 Parts, 1992
Catalog: Sets: Service Packs: Train | 
* |
| 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 | 
* |
| 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 | 
* |
| 66809-1 (Inv) | Botanicals Bundle Pack (Sets 10343 and 10344) - Evergreen Collector's Set
2 Sets, 2025
Catalog: Sets: Botanicals | 
* |
| 2975-1 (Inv) | Bouncing with Tigger
8 Parts, 1 Minifigure, 2001
Catalog: Sets: DUPLO: Winnie The Pooh | 
* |
| 20021-1 (Inv) | Bounty Hunter Assault Gunship - Mini polybag
81 Parts, 2011
Catalog: Sets: Star Wars: Mini: Star Wars The Clone Wars | 
* |
| 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 | 
* |
| 2271-1 (Inv) | Boy with Barrow
3 Parts, 1 Minifigure, 1998
Catalog: Sets: DUPLO: Basic Set | 
* |
| 2277-1 (Inv) | Boy with Cat
7 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 | 
* |
| 5416-2 (Inv) | Brick Box
33 Parts, 2009
Catalog: Sets: DUPLO: Basic Set | 
* |
| 4229-1 (Inv) | Brick Pack 300
812 Parts, 1998
Catalog: Sets: Universal Building Set: Classic Basic | 
* |
| 3267-1 (Inv) | Brick Runner
25 Parts, 2001
Catalog: Sets: DUPLO: Basic Set | 
* |
| 5008-1 (Inv) | Brick Separator
1 Part, 1990
Catalog: Sets: Service Packs | 
* |
| 9892-2 (Inv) | Brick Separator
1 Part, 1993
Catalog: Sets: Educational & Dacta: Service Packs | 
* |
| 9892-1 (Inv) | Brick Separators
2 Parts, 1993
Catalog: Sets: Educational & Dacta: Service Packs | 
* |
| 9384-1 (Inv) | Brick Set
884 Parts, 2010
Catalog: Sets: Educational & Dacta: Supplemental | 
* |
| 4548431-1 (Inv) | Brick Tub 'Die Lego Show' - Limited Edition
701 Parts, 2008
Catalog: Sets: Creator: Basic Set | 
* |
| 580-1 (Inv) | Brick Yard
200 Parts, 1975
Catalog: Sets: LEGOLAND: Construction | 
* |
| 66593-1 (Inv) | BrickHeadz Bundle Pack (Sets 41606 and 41607)
2 Sets, 2019
Catalog: Sets: BrickHeadz: Super Heroes: Avengers Infinity War | 
* |
| 1301-2 (Inv) | Bricks
22 Parts, 1983
Catalog: Sets: Educational & Dacta: Service Packs | 
* |
| 4679a-1 (Inv) | Bricks and Creations Tub
1000 Parts, 2004
Catalog: Sets: Creator: Basic Set | 
* |
| 4679-2 (Inv) | Bricks and Creations Tub (Toys "R" Us Exclusive) and Free 500 LEGO Bricks
2 Sets, 2005
Catalog: Sets: Creator: Basic Set | 
* |
| 4679-1 (Inv) | Bricks and Creations Tub and Super Value 500 Extra LEGO Elements
2 Sets, 2004
Catalog: Sets: Creator: Basic Set | 
* |
| 516-1 (Inv) | Bricks and Half Bricks
20 Parts, 1975
Catalog: Sets: DUPLO: Basic Set | 
* |
| 5215-1 (Inv) | Bricks Assorted, Green
62 Parts, 1999
Catalog: Sets: Service Packs | 
* |
| 970631-1 (Inv) | Bricks with Cross (axle) Holes (Pack of 50)
50 Parts, 2002
Catalog: Sets: Educational & Dacta: Service Packs: Technic | 
* |
| 5003206-1 (Inv) | Bricks with Cross Hole
50 Parts
Catalog: Sets: Educational & Dacta: Service Packs: Technic | 
* |
| 5187-1 (Inv) | Bricks with Groove and Garage Panels
26 Parts, 1989
Catalog: Sets: Service Packs | 
* |
| 5022-1 (Inv) | Bricks with Studs
4 Parts, 1998
Catalog: Sets: Service Packs: Primo | 
* |
| 140-2 (Inv) | Bricks'n Motor Set
155 Parts, 1969
Catalog: Sets: Universal Building Set: Basic Set | 
* |