Image | Item No. | Description |
| 9291-1 | Medium Lego Dacta Basic Set 1997 Catalog: Sets: Educational & Dacta: Universal Building Set |
| 70801-1 (Inv) | Melting Room 108 Parts, 3 Minifigures, 2014 Catalog: Sets: The LEGO Movie |
| 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 |
| 75995-1 (Inv) | MERCEDES-AMG PETRONAS Team Gift 2017 115 Parts, 1 Minifigure, 2017 Catalog: Sets: SPEED CHAMPIONS |
| 70324-1 (Inv) | Merlok's Library 2.0 267 Parts, 3 Minifigures, 2016 Catalog: Sets: NEXO KNIGHTS |
| 4554-1 (Inv) | Metro Station 555 Parts, 8 Minifigures, 1991 Catalog: Sets: Train: 9V |
| 8976-1 (Inv) | Metus 14 Parts, 2009 Catalog: Sets: BIONICLE: Agori |
| 10746-1 (Inv) | Mia's Farm Suitcase 96 Parts, 1 Minifigure, 2017 Catalog: Sets: Juniors: Friends |
| 41327-1 (Inv) | Mia's Bedroom 81 Parts, 1 Minifigure, 2018 Catalog: Sets: Friends |
| 41339-1 (Inv) | Mia's Camper Van 478 Parts, 2 Minifigures, 2018 Catalog: Sets: Friends |
| 10749-1 (Inv) | Mia's Organic Food Market 111 Parts, 1 Minifigure, 2018 Catalog: Sets: Juniors: Friends |
| 41335-1 (Inv) | Mia's Tree House 343 Parts, 2 Minifigures, 2018 Catalog: Sets: Friends |
| 10827-1 (Inv) | Mickey & Friends Beach House 45 Parts, 3 Minifigures, 2016 Catalog: Sets: DUPLO: Disney: Disney Junior: Mickey Mouse Clubhouse |
| 9324-1 (Inv) | Micro Building Set 1657 Parts, 2007 Catalog: Sets: Educational & Dacta: Town |
| 7778-1 (Inv) | Midi-Scale Millennium Falcon 356 Parts, 2009 Catalog: Sets: Star Wars: Star Wars Episode 4/5/6 |
| 31058-1 (Inv) | Mighty Dinosaurs {Green Edition} 174 Parts, 2017 Catalog: Sets: Creator: Model: Creature |
| 10824-1 (Inv) | Miles' Space Adventures 22 Parts, 1 Minifigure, 2016 Catalog: Sets: DUPLO: Disney: Disney Junior: Miles From Tomorrowland |
| 75193-1 (Inv) | Millennium Falcon Microfighter 89 Parts, 1 Minifigure, 2018 Catalog: Sets: Star Wars: Microfighters Series 5: Star Wars Episode 8 |
| 2000700-1 (Inv) | Mindstorms Education (LME) Replacement Pack 1 70 Parts, 2015 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 2000701-1 (Inv) | Mindstorms Education (LME) Replacement Pack 2 32 Parts, 2015 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 2000702-1 (Inv) | Mindstorms Education (LME) Replacement Pack 3 4 Parts, 2015 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 2000703-1 (Inv) | Mindstorms Education (LME) Replacement Pack 4 26 Parts, 2015 Catalog: Sets: Educational & Dacta: Service Packs |
| 2000704-1 (Inv) | Mindstorms Education (LME) Replacement Pack 5 24 Parts, 2015 Catalog: Sets: Educational & Dacta: Service Packs |
| 2000705-1 (Inv) | Mindstorms Education (LME) Replacement Pack 6 30 Parts, 2015 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 2000706-1 (Inv) | Mindstorms Education (LME) Replacement Pack 7 8 Parts, 2015 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 8547-1 (Inv) | Mindstorms NXT 2.0 620 Parts, 1 Gear, 2009 Catalog: Sets: MINDSTORMS: NXT |
| 8957-1 (Inv) | Mine Mech 62 Parts, 2 Minifigures, 2009 Catalog: Sets: Power Miners |
| 5004192-1 (Inv) | Minecraft Collection 4 Sets, 2014 Catalog: Sets: Minecraft |
| 8259-1 (Inv) | Mini Bulldozer 165 Parts, 2009 Catalog: Sets: Technic: Model: Construction |
| 2694-1 (Inv) | Mini Farm 40 Parts, 3 Minifigures, 1996 Catalog: Sets: DUPLO: DUPLO, Town: Farm |
| 6741-1 (Inv) | Mini Jet 63 Parts, 2009 Catalog: Sets: Creator: Basic Model: Airport |
| 10230-1 (Inv) | Mini Modulars 1356 Parts, 2012 Catalog: Sets: Creator: Creator Expert: Modular Buildings Collection |
| 6742-1 (Inv) | Mini Off-Roader 64 Parts, 2009 Catalog: Sets: Creator: Basic Model: Traffic |
| 40251-1 (Inv) | Mini Piggy Bank 248 Parts, 2017 Catalog: Sets: School Supplies: Money and Coin Bank |
| 970126-1 (Inv) | Mini Pump and Cylinder 2 Parts, 2010 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 6702-1 (Inv) | Minifigure Pack 5 Parts, 6 Minifigures, 1986 Catalog: Sets: Space: Supplemental |
| 5005216-1 (Inv) | Minifigures Pack (9348, 9349) 2 Sets, 2016 Catalog: Sets: Educational & Dacta |
| 60188-1 (Inv) | Mining Experts Site 857 Parts, 6 Minifigures, 2018 Catalog: Sets: Town: City: Construction |
| 60186-1 (Inv) | Mining Heavy Driller 281 Parts, 3 Minifigures, 2018 Catalog: Sets: Town: City: Construction |
| 60185-1 (Inv) | Mining Power Splitter 122 Parts, 1 Minifigure, 2018 Catalog: Sets: Town: City: Construction |
| 60184-1 (Inv) | Mining Team 64 Parts, 4 Minifigures, 2018 Catalog: Sets: Town: City: Construction |
| 10830-1 (Inv) | Minnie's Café {Cafe} 26 Parts, 1 Minifigure, 2016 Catalog: Sets: DUPLO: Disney: Disney Junior: Minnie |
| 30212-1 (Inv) | Mirkwood Elf Guard polybag 22 Parts, 1 Minifigure, 2012 Catalog: Sets: The Hobbit and The Lord of the Rings: The Hobbit |
| 8634-1 (Inv) | Mission 5: Turbocar Chase 468 Parts, 3 Minifigures, 1 Gear, 2008 Catalog: Sets: Agents |
| 8635-1 (Inv) | Mission 6: Mobile Command Center 1109 Parts, 7 Minifigures, 2008 Catalog: Sets: Agents |
| 8637-1 (Inv) | Mission 8: Volcano Base 688 Parts, 6 Minifigures, 2008 Catalog: Sets: Agents |
| K6456-1 (Inv) | Mission Control with Bonus Set 2 Sets, 1999 Catalog: Sets: Town: Space Port |
| 10405-1 (Inv) | Mission to Mars 859 Parts, 3 Minifigures, 2018 Catalog: Sets: Building Bigger Thinking |
| 5003809-1 (Inv) | MIXELS Blue Collection 3 Sets, 2014 Catalog: Sets: MIXELS: MIXELS Series 2 |