Image | Item No. | Description |
| 70901-1 (Inv) | Mr. Freeze Ice Attack 183 Parts, 3 Minifigures, 2017 Catalog: Sets: Super Heroes: The LEGO Batman Movie |
| 3596-1 (Inv) | Muck Can Do It 27 Parts, 1 Minifigure, 2009 Catalog: Sets: DUPLO: Bob The Builder |
| 41151-1 (Inv) | Mulan's Training Day 99 Parts, 1 Minifigure, 2018 Catalog: Sets: Disney: Disney Princess: Mulan |
| 45006-1 (Inv) | Multi Vehicles 28 Parts, 4 Minifigures, 2014 Catalog: Sets: Educational & Dacta: DUPLO |
| mit-1 | Multiple Intelligence Teaching (MIT) 1998 Catalog: Sets: Educational & Dacta |
| 75900-1 (Inv) | Mummy Museum Mystery 102 Parts, 2 Minifigures, 2015 Catalog: Sets: Scooby-Doo |
| 10852-1 (Inv) | My First Bird 7 Parts, 2017 Catalog: Sets: DUPLO |
| 10848-1 (Inv) | My First Bricks 80 Parts, 3 Books, 2017 Catalog: Sets: DUPLO: Basic Set |
| 10603-1 (Inv) | My First Bus 16 Parts, 1 Minifigure, 2015 Catalog: Sets: DUPLO: DUPLO, Town: Traffic |
| 10851-1 (Inv) | My First Bus 6 Parts, 2017 Catalog: Sets: DUPLO |
| 10850-1 (Inv) | My First Cakes 8 Parts, 2017 Catalog: Sets: DUPLO |
| 10845-1 (Inv) | My First Carousel 21 Parts, 3 Minifigures, 2017 Catalog: Sets: DUPLO |
| 10816-1 (Inv) | My First Cars and Trucks 36 Parts, 3 Books, 2016 Catalog: Sets: DUPLO |
| 10831-1 (Inv) | My First Caterpillar 19 Parts, 3 Books, 2016 Catalog: Sets: DUPLO |
| 10504-1 (Inv) | My First Circus 59 Parts, 3 Minifigures, 2013 Catalog: Sets: DUPLO: DUPLO, Town: Circus |
| 6141-1 (Inv) | My First Farm 61 Parts, 1 Minifigure, 2012 Catalog: Sets: DUPLO: DUPLO, Town: Farm |
| 30323-1 (Inv) | My First Fish polybag 7 Parts, 2017 Catalog: Sets: DUPLO |
| 10819-1 (Inv) | My First Garden 23 Parts, 2 Minifigures, 2016 Catalog: Sets: DUPLO: DUPLO, Town: Recreation |
| 6171-1 (Inv) | My First Gas Station 43 Parts, 2 Minifigures, 2012 Catalog: Sets: DUPLO |
| 10859-1 (Inv) | My First Ladybug 6 Parts, 2018 Catalog: Sets: DUPLO: Basic Set |
| 5932-1 (Inv) | My First LEGO Set 227 Parts, 1 Minifigure, 2011 Catalog: Sets: Creator: Basic Set |
| 10849-1 (Inv) | My First Plane 10 Parts, 2017 Catalog: Sets: DUPLO |
| 10858-1 (Inv) | My First Puzzle Pets 18 Parts, 2018 Catalog: Sets: DUPLO: Basic Set |
| 10860-1 (Inv) | My First Race Car 6 Parts, 2018 Catalog: Sets: DUPLO |
| 10815-1 (Inv) | My First Rocket 18 Parts, 3 Books, 2016 Catalog: Sets: DUPLO |
| 10818-1 (Inv) | My First Truck 27 Parts, 2 Minifigures, 2016 Catalog: Sets: DUPLO: DUPLO, Town: Traffic |
| 75901-1 (Inv) | Mystery Plane Adventures 118 Parts, 2 Minifigures, 2015 Catalog: Sets: Scooby-Doo |
| 31073-1 (Inv) | Mythical Creatures 223 Parts, 2018 Catalog: Sets: Creator: Model: Creature |
| 41191-1 (Inv) | Naida & the Water Turtle Ambush 200 Parts, 2 Minifigures, 2018 Catalog: Sets: Elves |
| 41181-1 (Inv) | Naida's Gondola & the Goblin Thief 62 Parts, 2 Minifigures, 2017 Catalog: Sets: Elves |
| 21309-1 (Inv) | NASA Apollo Saturn V 1969 Parts, 2017 Catalog: Sets: LEGO Ideas (CUUSOO): Space Exploration |
| 21028-1 (Inv) | New York City 598 Parts, 2016 Catalog: Sets: Architecture |
| 70641-1 (Inv) | Ninja Nightcrawler 532 Parts, 3 Minifigures, 2018 Catalog: Sets: NINJAGO: Sons of Garmadon |
| 70620-1 (Inv) | NINJAGO City 4777 Parts, 19 Minifigures, 2017 Catalog: Sets: The LEGO NINJAGO Movie |
| 70657-1 (Inv) | NINJAGO City Docks 3494 Parts, 14 Minifigures, 2018 Catalog: Sets: The LEGO NINJAGO Movie |
| 41194-1 (Inv) | Noctura's Tower & the Earth Fox Rescue 635 Parts, 4 Minifigures, 2018 Catalog: Sets: Elves |
| 9630-1 (Inv) | Nonmotorized Simple Machines Set (1997 Version) 214 Parts, 21 Books, 3 Gear, 1997 Catalog: Sets: Educational & Dacta: Technic |
| 9630-2 (Inv) | Nonmotorized Simple Machines Set (2002 Version) 277 Parts, 20 Books, 4 Gear, 2002 Catalog: Sets: Educational & Dacta: Technic |
| 8573-2 (Inv) | Nuhvok-Kal with Mini CD-ROM 40 Parts, 1 Gear, 2003 Catalog: Sets: BIONICLE: Bohrok-Kal |
| 10847-1 (Inv) | Number Train 21 Parts, 2 Minifigures, 2017 Catalog: Sets: DUPLO: DUPLO, Train |
| 1011-1 (Inv) | Number/Symbol Blocks (Number bricks and symbols for wall board) 100 Parts, 1976 Catalog: Sets: Educational & Dacta: DUPLO: Learning |
| 297-1 (Inv) | Nursery 160 Parts, 1 Minifigure, 1978 Catalog: Sets: Homemaker |
| 2615-1 (Inv) | Nursery 6 Parts, 2 Minifigures, 1990 Catalog: Sets: DUPLO: Playhouse |
| 70634-1 (Inv) | Nya – Spinjitzu Master 64 Parts, 1 Minifigure, 2018 Catalog: Sets: NINJAGO: Sons of Garmadon: Spinjitzu Masters |
| 31045-1 (Inv) | Ocean Explorer 213 Parts, 2016 Catalog: Sets: Creator: Model: Harbor |
| 10404-1 (Inv) | Ocean's Bottom 571 Parts, 2 Minifigures, 2018 Catalog: Sets: Building Bigger Thinking |
| 7942-1 (Inv) | Off Road Fire Rescue 127 Parts, 1 Minifigure, 2007 Catalog: Sets: Town: City: Fire |
| 7800-1 (Inv) | Off Road Racer polybag 28 Parts, 2009 Catalog: Sets: Racers: Tiny Turbos |
| 30475-1 (Inv) | Off Roader polybag 33 Parts, 2017 Catalog: Sets: Creator: Basic Model: Race |
| 60170-1 (Inv) | Off-Road Chase 28 Parts, 2 Minifigures, 2018 Catalog: Sets: Town: City: Police |