Image | Item No. | Description |
| 41110-1 (Inv) | Birthday Party 186 Parts, 1 Minifigure, 2016 Catalog: Sets: Friends |
| 10832-1 (Inv) | Birthday Picnic 16 Parts, 3 Minifigures, 2017 Catalog: Sets: DUPLO: DUPLO, Town: Recreation |
| 40382-1 (Inv) | Birthday Set 137 Parts, 1 Minifigure, 2020 Catalog: Sets: Holiday & Event: Birthday |
| 30642-1 (Inv) | Birthday Train polybag 58 Parts, 2023 Catalog: Sets: Creator: Basic Model: Train |
| 4785-1 (Inv) | Black Castle 380 Parts, 6 Minifigures, 2005 Catalog: Sets: DUPLO: Castle |
| 42026-1 (Inv) | Black Champion Racer 137 Parts, 1 Book, 2014 Catalog: Sets: Technic: Model: Race |
| 76186-1 (Inv) | Black Panther Dragon Flyer 191 Parts, 3 Minifigures, 2021 Catalog: Sets: Super Heroes: The Infinity Saga |
| 76204-1 (Inv) | Black Panther Mech Armor 121 Parts, 1 Minifigure, 2022 Catalog: Sets: Super Heroes: Avengers |
| 76047-1 (Inv) | Black Panther Pursuit 275 Parts, 3 Minifigures, 1 Book, 2016 Catalog: Sets: Super Heroes: Captain America Civil War |
| 10160-1 (Inv) | Black Ridge Roof Tiles 48 Parts, 2004 Catalog: Sets: Bulk Bricks |
| 10161-1 (Inv) | Black Roof Tiles 76 Parts, 2004 Catalog: Sets: Bulk Bricks |
| 76162-1 (Inv) | Black Widow's Helicopter Chase 259 Parts, 3 Minifigures, 2020 Catalog: Sets: Super Heroes: Black Widow |
| 8863-1 (Inv) | Blizzard's Peak 477 Parts, 6 Minifigures, 2010 Catalog: Sets: World Racers |
| 10714-1 (Inv) | Blue Baseplate 1 Part, 2018 Catalog: Sets: Classic |
| 10706-1 (Inv) | Blue Creativity Box 78 Parts, 2017 Catalog: Sets: Classic |
| 31054-1 (Inv) | Blue Express 71 Parts, 2017 Catalog: Sets: Creator: Model: Train |
| 31039-1 (Inv) | Blue Power Jet 608 Parts, 2015 Catalog: Sets: Creator: Model: Airport |
| 4301-1 (Inv) | Blue Racer polybag 21 Parts, 1 Minifigure, 2003 Catalog: Sets: Racers: Drome Racers |
| 75928-1 (Inv) | Blue's Helicopter Pursuit 376 Parts, 3 Minifigures, 2018 Catalog: Sets: Jurassic World |
| 2157-1 (Inv) | Boat {Kabaya Version} 16 Parts, 2000 Catalog: Sets: Universal Building Set: Basic |
| 75533-1 (Inv) | Boba Fett 144 Parts, 2018 Catalog: Sets: Star Wars: Buildable Figures: Star Wars Episode 4/5/6 |
| 41629-1 (Inv) | Boba Fett 161 Parts, 2018 Catalog: Sets: BrickHeadz: Star Wars: Star Wars Episode 4/5/6 |
| 75277-1 (Inv) | Boba Fett Helmet 625 Parts, 2020 Catalog: Sets: Star Wars: Helmet Collection: Star Wars Episode 4/5/6 |
| 71388-1 (Inv) | Boss Sumo Bro Topple Tower - Expansion Set 137 Parts, 2 Minifigures, 2021 Catalog: Sets: Super Mario: Super Mario Expansion Set |
| 43185-1 (Inv) | Boun's Boat 239 Parts, 2 Minifigures, 2021 Catalog: Sets: Disney: Raya and the Last Dragon |
| 71431-1 (Inv) | Bowser's Muscle Car - Expansion Set 317 Parts, 1 Minifigure, 2024 Catalog: Sets: Super Mario: Super Mario Expansion Set |
| 71391-1 (Inv) | Bowser’s Airship - Expansion Set 1090 Parts, 3 Minifigures, 2021 Catalog: Sets: Super Mario: Super Mario Expansion Set |
| 5578-1 (Inv) | Box of Bricks 500 Parts, 2008 Catalog: Sets: Creator: Supplemental |
| 41947-1 (Inv) | Bracelets Mega Pack {Mickey and Friends} 349 Parts, 2022 Catalog: Sets: Dots: Bracelet: Disney |
| 76960-1 (Inv) | Brachiosaurus Discovery 496 Parts, 3 Minifigures, 2023 Catalog: Sets: Jurassic World: Jurassic Park |
| 70128-1 (Inv) | Braptor's Wing Striker 126 Parts, 2 Minifigures, 2014 Catalog: Sets: LEGENDS OF CHIMA |
| 41188-1 (Inv) | Breakout from the Goblin King's Fortress 681 Parts, 4 Minifigures, 2017 Catalog: Sets: Elves |
| 6227-1 (Inv) | Breez 55 Parts, 2012 Catalog: Sets: Hero Factory: Heroes |
| 44006-1 (Inv) | Breez 49 Parts, 2013 Catalog: Sets: Hero Factory: Heroes |
| 44027-1 (Inv) | BREEZ Flea Machine 90 Parts, 2 Minifigures, 2014 Catalog: Sets: Hero Factory: Heroes |
| 5416-1 (Inv) | Brick Box 33 Parts, 2007 Catalog: Sets: DUPLO: Basic Set |
| 10913-1 (Inv) | Brick Box 63 Parts, 2 Minifigures, 2020 Catalog: Sets: DUPLO: Basic Set |
| 9077-1 (Inv) | Brick Runner Set 132 Parts, 2 Gear, 2009 Catalog: Sets: Educational & Dacta: DUPLO: Basic Set |
| 630-1 (Inv) | Brick Separator 1 Part, 1996 Catalog: Sets: Service Packs |
| 9384-1 (Inv) | Brick Set 884 Parts, 2010 Catalog: Sets: Educational & Dacta: Supplemental |
| 8211-1 (Inv) | Brick Street Getaway 552 Parts, 2010 Catalog: Sets: Racers: Tiny Turbos |
| 75582-1 | Brick-Built Gru and Minions 2024 Catalog: Sets: Despicable Me and Minions: Despicable Me 4 |
| 75551-1 (Inv) | Brick-Built Minions and Their Lair 858 Parts, 3 Minifigures, 2020 Catalog: Sets: Despicable Me and Minions: Minions The Rise Of Gru |
| 11003-1 (Inv) | Bricks and Eyes 451 Parts, 2019 Catalog: Sets: Classic |
| 11019-1 (Inv) | Bricks and Functions 500 Parts, 2022 Catalog: Sets: Classic |
| 10712-1 (Inv) | Bricks and Gears 244 Parts, 2018 Catalog: Sets: Classic |
| 11008-1 (Inv) | Bricks and Houses 270 Parts, 2020 Catalog: Sets: Classic |
| 11014-1 (Inv) | Bricks and Wheels 653 Parts, 2021 Catalog: Sets: Classic |
| 10715-1 (Inv) | Bricks on a Roll 442 Parts, 2018 Catalog: Sets: Classic |
| 45400-1 (Inv) | BricQ Motion Prime 564 Parts, 2021 Catalog: Sets: Educational & Dacta: BricQ |