| Image | Item No. | Description |
| 8445-1 (Inv) | Indy Storm
447 Parts, 1999
Catalog: Sets: Technic: Model: Race |
| 9707-1 (Inv) | Intelligent House Building Set (Control Lab)
155 Parts, 4 Gear, 1996
Catalog: Sets: Educational & Dacta: Technic: Control Lab |
| 1093-1 (Inv) | Interface A
3 Parts, 1 Book, 1986
Catalog: Sets: Educational & Dacta: Technic: Supplemental |
| 9750-1 (Inv) | Interface A (LEGO Interface Box & Transformer)
3 Parts, 1 Book, 1986
Catalog: Sets: Educational & Dacta: Technic: Supplemental |
| 9767-1 | Interface Card and Cable for TC Logo - Apple IIe and Apple IIGS
1987
Catalog: Sets: Educational & Dacta: Technic: Supplemental |
| 9771-1 (Inv) | Interface Card and Cable for TC Logo - IBM compatible
2 Parts, 1 Book, 1987
Catalog: Sets: Educational & Dacta: Technic: Supplemental |
| 9617-1 (Inv) | Introducing Air Power Set (Pneumatics I: Introduction to Air Power Set)
89 Parts, 5 Books, 4 Gear, 1997
Catalog: Sets: Educational & Dacta: Technic |
| 820096-1 (Inv) | Invent America! Exploration Packet
34 Parts, 2 Books, 1 Gear, 1990
Catalog: Sets: Educational & Dacta: Technic |
| 8011-1 (Inv) | Jango Fett
429 Parts, 2002
Catalog: Sets: Technic: Star Wars: Star Wars Episode 2 |
| 42122-1 (Inv) | Jeep Wrangler
665 Parts, 2021
Catalog: Sets: Technic: Model: Off-Road |
| 8504-1 (Inv) | Jet / Judge
42 Parts, 2 Gear, 1999
Catalog: Sets: Technic: Throwbot / Slizer |
| 9394-1 (Inv) | Jet Plane
499 Parts, 2012
Catalog: Sets: Technic: Model: Airport |
| 8444-1 (Inv) | Jet Wasp
309 Parts, 1999
Catalog: Sets: Technic: Model: Airport |
| 42218-1 (Inv) | John Deere 1470H Wheeled Harvester
117 Parts, 2026
Catalog: Sets: Technic: Model: Farm |
| 42157-1 (Inv) | John Deere 948L-II Skidder
1492 Parts, 2023
Catalog: Sets: Technic: Model: Farm |
| 42136-1 (Inv) | John Deere 9620R 4WD Tractor
390 Parts, 2022
Catalog: Sets: Technic: Model: Farm |
| 42168-1 (Inv) | John Deere 9700 Forage Harvester
559 Parts, 2024
Catalog: Sets: Technic: Model: Farm |
| kabrobo-1 (Inv) | Kabaya RoboRider 4-Pack
4 Sets, 2000
Catalog: Sets: Technic: RoboRiders |
| kabtec-1 (Inv) | Kabaya Technic Vehicle 4-Pack
4 Sets, 1999
Catalog: Sets: Technic: Model |
| 42170-1 (Inv) | Kawasaki Ninja H2R Motorcycle
643 Parts, 2024
Catalog: Sets: Technic: Model: Riding Cycle |
| 42173-1 (Inv) | Koenigsegg Jesko Absolut Gray Hypercar
801 Parts, 2024
Catalog: Sets: Technic: Model: Race |
| 42184-1 (Inv) | Koenigsegg Jesko Absolut White Hypercar
801 Parts, 2024
Catalog: Sets: Technic: Model: Race |
| 42161-1 (Inv) | Lamborghini Huracán Tecnica
806 Parts, 2023
Catalog: Sets: Technic: Model: Race |
| 42196-1 (Inv) | Lamborghini Huracán Tecnica Orange
806 Parts, 2024
Catalog: Sets: Technic: Model: Race |
| 42214-1 (Inv) | Lamborghini Revuelto
1135 Parts, 1 Gear, 2025
Catalog: Sets: Technic: Model: Race |
| 42115-1 (Inv) | Lamborghini Sián (Sian) FKP 37
3696 Parts, 2020
Catalog: Sets: Technic: Model: Race |
| 42110-1 (Inv) | Land Rover Defender
2573 Parts, 2019
Catalog: Sets: Technic: Model: Off-Road |
| 5235-1 (Inv) | Large Beams with Holes
10 Parts, 1993
Catalog: Sets: Service Packs: Technic |
| 1326-1 (Inv) | Large Cross Axles
28 Parts, 1985
Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 9966-1 (Inv) | Large Gear Wheels
16 Parts, 1994
Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 1319-1 (Inv) | Large Gear Wheels
22 Parts, 1985
Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 5252-1 (Inv) | Large Shock Absorbers
2 Parts, 1993
Catalog: Sets: Service Packs: Technic |
| 5285-1 (Inv) | Large Shock Absorbers
2 Parts, 1994
Catalog: Sets: Service Packs: Technic |
| 5003107-1 (Inv) | Large Tires with Hubs
4 Parts
Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 9876-1 (Inv) | Large Turntables
2 Parts, 1992
Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 8510-1 (Inv) | Lava
35 Parts, 2000
Catalog: Sets: Technic: RoboRiders |
| 1290-1 (Inv) | Lava Buggy
35 Parts, 2000
Catalog: Sets: Technic: RoboRiders |
| 970039-1 (Inv) | Lever Arm (Pack of 50)
50 Parts, 2002
Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 5003106-1 (Inv) | Lever Arms
50 Parts
Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 9642-1 (Inv) | Lever Classroom Pack (Levers Class Pack)
12 Sets, 1 Book, 1994
Catalog: Sets: Educational & Dacta: Technic |
| 924-2 (Inv) | Lever Set with Teacher Guide
1 Set, 1 Book, 1993
Catalog: Sets: Educational & Dacta: Technic |
| 5003116-1 (Inv) | Levers and Half Beams
25 Parts
Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 9612-1 (Inv) | Levers Mini Set
63 Parts, 3 Books, 1 Gear, 1993
Catalog: Sets: Educational & Dacta: Technic |
| 42146-1 (Inv) | Liebherr Crawler Crane LR 13000
2883 Parts, 2023
Catalog: Sets: Technic: Model: Construction |
| 42100-1 (Inv) | Liebherr R 9800
4108 Parts, 2019
Catalog: Sets: Technic: Model: Construction |
| 970030-1 (Inv) | Lift Arm (Pack of 50)
50 Parts, 2002
Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 5003105-1 (Inv) | Lift Arms
50 Parts
Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 5269-1 (Inv) | Liftarms and Triangles
12 Parts, 1995
Catalog: Sets: Service Packs: Technic |
| 5280-1 (Inv) | Liftarms and Triangles
10 Parts, 1993
Catalog: Sets: Service Packs: Technic |
| 5291-1 (Inv) | Liftarms and Triangles
12 Parts, 1996
Catalog: Sets: Service Packs: Technic |