| Image | Item No. | Description |
| 2193-1 (Inv) | Jetbug
63 Parts, 2011
Catalog: Sets: Hero Factory: Villains |
| 6440-1 (Inv) | Jetport Fire Squad
151 Parts, 2 Minifigures, 1991
Catalog: Sets: Town: Classic Town: Airport |
| 1385-1 (Inv) | Jewelry Sample polybag
13 Parts, 2003
Catalog: Sets: Clikits |
| 7508-1 (Inv) | Jewels-n-Bands
78 Parts, 2 Gear, 2003
Catalog: Sets: Clikits |
| 7509-1 (Inv) | Jewels-n-Clips
70 Parts, 2 Gear, 2003
Catalog: Sets: Clikits |
| 76159-1 (Inv) | Joker's Trike Chase
422 Parts, 4 Minifigures, 2020
Catalog: Sets: Super Heroes: Batman II |
| 76035-1 (Inv) | Jokerland
1003 Parts, 8 Minifigures, 1 Book, 2015
Catalog: Sets: Super Heroes: Batman II |
| 6021-1 (Inv) | Jousting Knights
31 Parts, 2 Minifigures, 1984
Catalog: Sets: Castle: Lion Knights |
| 346-1 (Inv) | Jumbo Jet
111 Parts, 1970
Catalog: Sets: Samsonite: Model Maker: Airport |
| 8651-1 (Inv) | Jumping Giant
242 Parts, 2005
Catalog: Sets: Racers: Power Racers |
| 41036-1 (Inv) | Jungle Bridge Rescue
356 Parts, 2 Minifigures, 2014
Catalog: Sets: Friends |
| 7626-1 (Inv) | Jungle Cutter
495 Parts, 4 Minifigures, 2008
Catalog: Sets: Indiana Jones: Kingdom of the Crystal Skull |
| 41033-1 (Inv) | Jungle Falls Rescue
179 Parts, 1 Minifigure, 2014
Catalog: Sets: Friends |
| 70104-1 (Inv) | Jungle Gates
70 Parts, 1 Minifigure, 5 Gear, 2013
Catalog: Sets: LEGENDS OF CHIMA |
| 60160-1 (Inv) | Jungle Mobile Lab
409 Parts, 4 Minifigures, 2017
Catalog: Sets: Town: City: Jungle |
| 70755-1 (Inv) | Jungle Raider
179 Parts, 2 Minifigures, 2015
Catalog: Sets: NINJAGO: Tournament of Elements |
| 71700-1 (Inv) | Jungle Raider
122 Parts, 1 Minifigure, 2020
Catalog: Sets: NINJAGO: Legacy: Tournament of Elements |
| 41038-1 (Inv) | Jungle Rescue Base
471 Parts, 2 Minifigures, 2014
Catalog: Sets: Friends |
| 70752-1 (Inv) | Jungle Trap
49 Parts, 2 Minifigures, 2015
Catalog: Sets: NINJAGO: Tournament of Elements |
| 41059-1 (Inv) | Jungle Tree Sanctuary
316 Parts, 1 Minifigure, 2014
Catalog: Sets: Friends |
| 75936-1 (Inv) | Jurassic Park: T. rex Rampage
3096 Parts, 6 Minifigures, 2019
Catalog: Sets: Jurassic World: Jurassic Park |
| 75120-1 (Inv) | K-2SO
169 Parts, 2016
Catalog: Sets: Star Wars: Buildable Figures: Star Wars Rogue One |
| 43113-1 (Inv) | K-Pawp Concert
502 Parts, 3 Minifigures, 2021
Catalog: Sets: Vidiyo: Stage |
| 2111-1 (Inv) | Kai blister pack
10 Parts, 1 Minifigure, 5 Gear, 2011
Catalog: Sets: NINJAGO: The Golden Weapons: Spinners |
| 70721-1 (Inv) | Kai Fighter
186 Parts, 2 Minifigures, 2014
Catalog: Sets: NINJAGO: Rebooted |
| 892177-1 (Inv) | Kai foil pack #8
10 Parts, 1 Minifigure, 2021
Catalog: Sets: NINJAGO: The Island |
| 9561-1 (Inv) | Kai ZX
11 Parts, 1 Minifigure, 5 Gear, 2012
Catalog: Sets: NINJAGO: Rise of the Snakes: Spinners |
| 70667-1 (Inv) | Kai's Blade Cycle & Zane's Snowmobile
361 Parts, 4 Minifigures, 2019
Catalog: Sets: NINJAGO: Legacy: Rise of the Snakes |
| 70500-1 (Inv) | Kai's Fire Mech
93 Parts, 2 Minifigures, 2013
Catalog: Sets: NINJAGO: The Final Battle |
| 9441-1 (Inv) | Kai's Blade Cycle
179 Parts, 2 Minifigures, 2012
Catalog: Sets: NINJAGO: Rise of the Snakes |
| 8917-1 (Inv) | Kalmah
53 Parts, 2007
Catalog: Sets: BIONICLE: Barraki |
| 75141-1 (Inv) | Kanan's Speeder Bike
222 Parts, 3 Minifigures, 2016
Catalog: Sets: Star Wars: Star Wars Rebels |
| 8525-1 (Inv) | Kanohi Mask Pack {American Version}
6 Parts, 2001
Catalog: Sets: BIONICLE: Supplemental |
| 8530-1 (Inv) | Kanohi Mask Pack {International Version} polybag
6 Parts, 2001
Catalog: Sets: BIONICLE: Supplemental |
| 8598-1 (Inv) | Kanohi Nuva & Krana Pack {American Version}
5 Parts, 2002
Catalog: Sets: BIONICLE: Supplemental |
| 8597-1 (Inv) | Kanohi Nuva & Krana Pack {International Version} polybag
5 Parts, 2002
Catalog: Sets: BIONICLE: Supplemental |
| 8613-1 (Inv) | Kanoka
4 Parts, 2004
Catalog: Sets: BIONICLE: Supplemental |
| 79118-1 (Inv) | Karai Bike Escape
80 Parts, 2 Minifigures, 2014
Catalog: Sets: Teenage Mutant Ninja Turtles |
| vidbm02-6 (Inv) | Karaoke Mermaid, Vidiyo Bandmates, Series 2 (Complete Set with Stand and Accessories)
8 Parts, 1 Minifigure, 2021
Catalog: Sets: Vidiyo: Bandmates Series 2 |
| 8940-1 (Inv) | Karzahni
373 Parts, 2007
Catalog: Sets: BIONICLE: Warriors |
| 75035-1 (Inv) | Kashyyyk Troopers
83 Parts, 4 Minifigures, 2014
Catalog: Sets: Star Wars: Star Wars Episode 3 |
| 8755-1 (Inv) | Keetongu
203 Parts, 2005
Catalog: Sets: BIONICLE: Titans |
| 9551-1 (Inv) | Kendo Cole polybag
18 Parts, 1 Minifigure, 5 Gear, 2012
Catalog: Sets: NINJAGO: Rise of the Snakes: Spinners: Booster Pack |
| 9563-1 (Inv) | Kendo Zane
12 Parts, 1 Minifigure, 5 Gear, 2012
Catalog: Sets: NINJAGO: Rise of the Snakes: Spinners |
| 75212-1 (Inv) | Kessel Run Millennium Falcon
1383 Parts, 7 Minifigures, 2018
Catalog: Sets: Star Wars: Star Wars Solo |
| 77247-1 (Inv) | KICK Sauber F1 Team C44
255 Parts, 1 Minifigure, 2025
Catalog: Sets: SPEED CHAMPIONS |
| 700K-1 (Inv) | Kindergarten LEGO Set
475 Parts, 1 Gear, 1960
Catalog: Sets: Educational & Dacta: Classic: Wooden Box Set |
| 70227-1 (Inv) | King Crominus' Rescue
822 Parts, 6 Minifigures, 2015
Catalog: Sets: LEGENDS OF CHIMA |
| 8796-1 (Inv) | King Mathias (Series 2)
43 Parts, 2005
Catalog: Sets: Castle: Knights Kingdom II |
| 75826-1 (Inv) | King Pig's Castle
847 Parts, 5 Minifigures, 2016
Catalog: Sets: The Angry Birds Movie |