Image | Item No. | Description |
| 1-8 (Inv) | Little House Set 67 Parts, 1970 Catalog: Sets: Minitalia |
| 30593-1 (Inv) | Lloyd Suit Mech polybag 55 Parts, 1 Minifigure, 2022 Catalog: Sets: NINJAGO: Core |
| 112325-1 (Inv) | Lloyd vs. Bone Warrior metal box 4 Parts, 2 Minifigures, 2023 Catalog: Sets: NINJAGO: Legacy: Core |
| 351-1 (Inv) | Loader Hopper with Truck 165 Parts, 1971 Catalog: Sets: LEGOLAND: Construction |
| 167-1 (Inv) | Loading Ramp and Car Transport Wagon 87 Parts, 2 Minifigures, 1978 Catalog: Sets: Train: 4.5V |
| 122-1 (Inv) | Loco and Tender 96 Parts, 1969 Catalog: Sets: Train: 4.5V |
| 1119-1 (Inv) | Locomotive Piston Assemblies 6 Parts, 1977 Catalog: Sets: Service Packs: Train |
| 19-2 (Inv) | Locomotive Piston Assemblies 6 Parts, 1977 Catalog: Sets: Service Packs: Train |
| 11-3 (Inv) | Locomotive Traction Tires 8 Parts, 1977 Catalog: Sets: Service Packs: Train |
| 5064-1 (Inv) | Locomotive Wheels 4 Parts, 1987 Catalog: Sets: Service Packs: Train |
| 112-2 (Inv) | Locomotive with Motor 77 Parts, 1966 Catalog: Sets: Train: 4.5V |
| 117-1 (Inv) | Locomotive without Motor 96 Parts, 1967 Catalog: Sets: Train: 4.5V |
| 384-1 (Inv) | London Bus 111 Parts, 1973 Catalog: Sets: LEGOLAND: Vehicle: Traffic |
| 760-2 (Inv) | London Bus 111 Parts, 1975 Catalog: Sets: LEGOLAND: Vehicle: Traffic |
| 381-1 (Inv) | Lorry and Fork Lift Truck 82 Parts, 1973 Catalog: Sets: LEGOLAND: Construction |
| 647-1 (Inv) | Lorry with Rails 43 Parts, 1971 Catalog: Sets: LEGOLAND: Construction |
| 41935-1 (Inv) | Lots of Dots 1040 Parts, 2021 Catalog: Sets: Dots |
| 684-1 (Inv) | Low-Loader with Fork Lift Truck 41 Parts, 1972 Catalog: Sets: LEGOLAND: Construction |
| 1560-2 (Inv) | Lufthansa Boeing 727 39 Parts, 1976 Catalog: Sets: LEGOLAND: Airport |
| 1562-3 (Inv) | Lufthansa Double-Decker 47 Parts, 1976 Catalog: Sets: LEGOLAND: Airport |
| 40605-1 (Inv) | Lunar New Year VIP Add On Pack polybag 124 Parts, 2023 Catalog: Sets: LEGO Brand |
| colsim-5 (Inv) | Maggie Simpson, The Simpsons, Series 1 (Complete Set with Stand and Accessories) 2 Parts, 1 Minifigure, 2014 Catalog: Sets: Collectible Minifigures: The Simpsons: The Simpsons Series 1 |
| 160-1 (Inv) | Magnetic Couplings 6 Parts, 1968 Catalog: Sets: Train: Supplemental: 4.5V |
| 1108-1 (Inv) | Magnetic Couplings 4 Parts, 1977 Catalog: Sets: Service Packs: Train |
| 1109-1 (Inv) | Magnetic Couplings for Railway Car 4 Parts, 1977 Catalog: Sets: Service Packs: Train |
| 5066-1 (Inv) | Magnetic Train Coupler 6 Parts, 1987 Catalog: Sets: Service Packs: Train |
| 8-4 (Inv) | Magnetic Train Couplers with Plates 4 Parts, 1977 Catalog: Sets: Service Packs: Train |
| 75267-1 (Inv) | Mandalorian Battle Pack 87 Parts, 4 Minifigures, 2020 Catalog: Sets: Star Wars: Star Wars The Mandalorian |
| 3604-1 (Inv) | Marc Monkey and Wheelbarrow 3 Parts, 1 Minifigure, 1980 Catalog: Sets: Fabuland |
| colsim-3 (Inv) | Marge Simpson, The Simpsons, Series 1 (Complete Set with Stand and Accessories) 3 Parts, 1 Minifigure, 2014 Catalog: Sets: Collectible Minifigures: The Simpsons: The Simpsons Series 1 |
| 3704-1 (Inv) | Marjorie Mouse 2 Parts, 1 Minifigure, 1982 Catalog: Sets: Fabuland |
| 30416-1 (Inv) | Market Stall polybag 47 Parts, 2 Minifigures, 2022 Catalog: Sets: Friends |
| 1610-2 (Inv) | Martinair Cessna 77 Parts, 1978 Catalog: Sets: LEGOLAND: Airport |
| 1611-2 (Inv) | Martinair DC-9 58 Parts, 1978 Catalog: Sets: LEGOLAND: Airport |
| 552301-1 (Inv) | Mateo and Z-Blob paper bag 2 Minifigures, 2023 Catalog: Sets: DREAMZzz |
| 3781-1 (Inv) | Maximillian Mouse 4 Parts, 1 Minifigure, 1982 Catalog: Sets: Fabuland |
| 623-1 (Inv) | Medic's Car 26 Parts, 1 Minifigure, 1978 Catalog: Sets: Town: Classic Town: Hospital |
| 10778-1 (Inv) | Mickey, Minnie and Goofy's Fairground Fun 173 Parts, 3 Minifigures, 2022 Catalog: Sets: Disney: Mickey and Friends |
| 682303-1 (Inv) | Miles Morales with Skateboard paper bag 6 Parts, 1 Minifigure, 2023 Catalog: Sets: Super Heroes: Spider-Man |
| colsim-9 (Inv) | Milhouse Van Houten, The Simpsons, Series 1 (Complete Set with Stand and Accessories) 2 Parts, 1 Minifigure, 2014 Catalog: Sets: Collectible Minifigures: The Simpsons: The Simpsons Series 1 |
| 645-2 (Inv) | Milk Float & Trailer 47 Parts, 1971 Catalog: Sets: LEGOLAND: Vehicle: Food & Drink |
| 30556-1 (Inv) | Mini Frame polybag 85 Parts, 2020 Catalog: Sets: Dots |
| 607-1 (Inv) | Mini Loader 14 Parts, 1 Minifigure, 1979 Catalog: Sets: Town: Classic Town: Construction |
| 30344-1 (Inv) | Mini Monkey King Warrior Mech polybag 65 Parts, 2021 Catalog: Sets: Monkie Kid |
| 40022-1 (Inv) | Mini Santa Set polybag 72 Parts, 2011 Catalog: Sets: Holiday & Event: Christmas |
| 349-2 (Inv) | Mini-Wheel Construction Set 148 Parts, 1971 Catalog: Sets: Samsonite: Model Maker: Construction |
| 850791-1 (Inv) | Minifigure Birthday Set 23 Parts, 2 Minifigures, 2013 Catalog: Sets: Holiday & Event: Birthday |
| 6701-1 (Inv) | Minifigure Pack 6 Parts, 6 Minifigures, 1983 Catalog: Sets: Space: Supplemental |
| 6029268-1 (Inv) | Minifigure, Series 10 (Box of 30) 30 Sets, 2013 Catalog: Sets: Collectible Minifigures: Series 10 Minifigures |
| 6029138-1 (Inv) | Minifigure, Series 10 (Box of 60) 60 Sets, 2013 Catalog: Sets: Collectible Minifigures: Series 10 Minifigures |