Image | Item No. | Description |
| colhp2-5 (Inv) | Luna Lovegood, Harry Potter, Series 2 (Complete Set with Stand and Accessories) 3 Parts, 1 Minifigure, 2020 Catalog: Sets: Collectible Minifigures: Harry Potter: Harry Potter Series 2 |
| 60227-1 (Inv) | Lunar Space Station 385 Parts, 5 Minifigures, 2019 Catalog: Sets: Town: City: Space Exploration |
| 271720-1 (Inv) | Macy foil pack #1 1 Part, 1 Minifigure, 2017 Catalog: Sets: NEXO KNIGHTS |
| 271831-1 (Inv) | Macy foil pack #2 17 Parts, 1 Minifigure, 2018 Catalog: Sets: NEXO KNIGHTS |
| 41917-1 (Inv) | Magic Forest 33 Parts, 2020 Catalog: Sets: Dots: Bracelet |
| 41185-1 (Inv) | Magic Rescue from the Goblin Village 626 Parts, 5 Minifigures, 2017 Catalog: Sets: Elves |
| 60271-1 (Inv) | Main Square 1455 Parts, 15 Minifigures, 2020 Catalog: Sets: Town: City: Building |
| 75240-1 (Inv) | Major Vonreg's TIE Fighter 476 Parts, 4 Minifigures, 2019 Catalog: Sets: Star Wars: Star Wars Resistance |
| 75267-1 (Inv) | Mandalorian Battle Pack 87 Parts, 4 Minifigures, 2020 Catalog: Sets: Star Wars: Star Wars The Mandalorian |
| 30241-1 (Inv) | Mandalorian Fighter - Mini polybag 49 Parts, 2013 Catalog: Sets: Star Wars: Mini: Star Wars The Clone Wars |
| 75022-1 (Inv) | Mandalorian Speeder 195 Parts, 3 Minifigures, 2013 Catalog: Sets: Star Wars: Star Wars The Clone Wars |
| 71367-1 (Inv) | Mario's House & Yoshi - Expansion Set 163 Parts, 2 Minifigures, 2020 Catalog: Sets: Super Mario: Super Mario Expansion Set |
| 60226-1 (Inv) | Mars Research Shuttle 262 Parts, 2 Minifigures, 2019 Catalog: Sets: Town: City: Space Exploration |
| 71380-1 (Inv) | Master Your Adventure - Maker Set 269 Parts, 4 Minifigures, 2021 Catalog: Sets: Super Mario: Super Mario Maker Set |
| 21305-1 (Inv) | Maze 769 Parts, 2016 Catalog: Sets: LEGO Ideas (CUUSOO) |
| 75892-1 (Inv) | McLaren Senna 214 Parts, 1 Minifigure, 2019 Catalog: Sets: SPEED CHAMPIONS |
| 42123-1 (Inv) | McLaren Senna GTR 830 Parts, 2021 Catalog: Sets: Technic: Model: Race |
| 21325-1 (Inv) | Medieval Blacksmith 2144 Parts, 4 Minifigures, 2021 Catalog: Sets: LEGO Ideas (CUUSOO): Castle |
| 45603-1 (Inv) | Medium Angular Motor 1 Part, 2020 Catalog: Sets: Educational & Dacta: SPIKE Prime |
| 41913-1 (Inv) | Mega Pack 300 Parts, 2020 Catalog: Sets: Dots: Bracelet |
| 75883-1 (Inv) | MERCEDES AMG PETRONAS Formula One Team 907 Parts, 8 Minifigures, 2017 Catalog: Sets: SPEED CHAMPIONS |
| 75877-1 (Inv) | Mercedes-AMG GT3 191 Parts, 1 Minifigure, 2017 Catalog: Sets: SPEED CHAMPIONS |
| 30537-1 (Inv) | Merchant Avatar Jay polybag 42 Parts, 1 Minifigure, 2020 Catalog: Sets: NINJAGO: Prime Empire |
| 271713-1 (Inv) | Merlok 2.0 foil pack 13 Parts, 2017 Catalog: Sets: NEXO KNIGHTS |
| 41909-1 (Inv) | Mermaid Vibes 34 Parts, 2021 Catalog: Sets: Dots: Bracelet |
| col09-12 (Inv) | Mermaid, Series 9 (Complete Set with Stand and Accessories) 2 Parts, 1 Minifigure, 2013 Catalog: Sets: Collectible Minifigures: Series 9 Minifigures |
| 70834-1 (Inv) | MetalBeard's Heavy Metal Motor Trike! 442 Parts, 2 Minifigures, 2019 Catalog: Sets: The LEGO Movie 2 |
| 471702-1 (Inv) | Mia with Skateboard blister pack 4 Parts, 1 Minifigure, 2017 Catalog: Sets: Friends |
| 10746-1 (Inv) | Mia's Farm Suitcase 96 Parts, 1 Minifigure, 2017 Catalog: Sets: Juniors: Friends |
| 561806-1 (Inv) | Mia's Fruit Stall foil pack 26 Parts, 2018 Catalog: Sets: Friends |
| 41358-1 (Inv) | Mia's Heart Box 78 Parts, 1 Minifigure, 2019 Catalog: Sets: Friends: Heart Box |
| 41437-1 (Inv) | Mia's Jungle Play Cube 39 Parts, 1 Minifigure, 2020 Catalog: Sets: Friends: Play Cube |
| 41664-1 (Inv) | Mia's Pug Cube 36 Parts, 1 Minifigure, 1 Gear, 2021 Catalog: Sets: Friends: Play Cube |
| 41388-1 (Inv) | Mia's Summer Heart Box 81 Parts, 1 Minifigure, 2019 Catalog: Sets: Friends: Heart Box |
| 41413-1 (Inv) | Mia's Summer Play Cube 45 Parts, 1 Minifigure, 1 Gear, 2020 Catalog: Sets: Friends: Play Cube |
| 30410-1 (Inv) | Mia's Water Fun polybag 23 Parts, 1 Minifigure, 2019 Catalog: Sets: Friends |
| 41361-1 (Inv) | Mia's Foal Stable 114 Parts, 1 Minifigure, 2019 Catalog: Sets: Friends |
| 41363-1 (Inv) | Mia's Forest Adventure 130 Parts, 1 Minifigure, 2019 Catalog: Sets: Friends |
| 41371-1 (Inv) | Mia's Horse Trailer 206 Parts, 2 Minifigures, 2019 Catalog: Sets: Friends |
| 41369-1 (Inv) | Mia's House 703 Parts, 3 Minifigures, 2019 Catalog: Sets: Friends |
| 10941-1 (Inv) | Mickey & Minnie Birthday Train 20 Parts, 2 Minifigures, 2021 Catalog: Sets: DUPLO: Disney: Disney Junior: Mickey |
| 31202-1 (Inv) | Mickey Mouse 2658 Parts, 2021 Catalog: Sets: Art: Disney |
| 43179-1 (Inv) | Mickey Mouse & Minnie Mouse 1739 Parts, 2020 Catalog: Sets: Disney: Sculptures |
| 10889-1 (Inv) | Mickey's Vacation House 54 Parts, 3 Minifigures, 2019 Catalog: Sets: DUPLO: Disney: Disney Junior: Mickey |
| 5003835-1 (Inv) | Microfighters Collection 6 Sets, 2014 Catalog: Sets: Star Wars: Microfighters Series 1 |
| 271610-1 (Inv) | Mighty Mech Bot foil pack 34 Parts, 2016 Catalog: Sets: NEXO KNIGHTS |
| 76061-1 (Inv) | Mighty Micros: Batman vs. Catwoman 70 Parts, 2 Minifigures, 2016 Catalog: Sets: Super Heroes: Mighty Micros: Batman II |
| 76065-1 (Inv) | Mighty Micros: Captain America vs. Red Skull 89 Parts, 2 Minifigures, 2016 Catalog: Sets: Super Heroes: Mighty Micros: Avengers |
| 76066-1 (Inv) | Mighty Micros: Hulk vs. Ultron 72 Parts, 2 Minifigures, 2016 Catalog: Sets: Super Heroes: Mighty Micros: Avengers Age of Ultron |
| 76072-1 (Inv) | Mighty Micros: Iron Man vs. Thanos 84 Parts, 2 Minifigures, 2017 Catalog: Sets: Super Heroes: Mighty Micros: Avengers |