| Image | Item No. | Description |
| 489-1 (Inv) | Traffic Signs
14 Parts, 1966
Catalog: Sets: Classic: Supplemental |
| 3619-1 (Inv) | Traffic Town
75 Parts, 7 Minifigures, 2002
Catalog: Sets: Explore: Explore Together: DUPLO: DUPLO, Town: Building |
| 323-1 (Inv) | Train
253 Parts, 1964
Catalog: Sets: Classic: Vehicle: Train |
| 2126-1 (Inv) | Train Cars
344 Parts, 5 Minifigures, 1997
Catalog: Sets: Train: 9V |
| 10027-1 (Inv) | Train Engine Shed
656 Parts, 2 Minifigures, 2003
Catalog: Sets: Train: 9V: World City |
| 343-1 (Inv) | Train Ferry
147 Parts, 1968
Catalog: Sets: Classic: Vehicle: Harbor |
| 343-2 (Inv) | Train Ferry
147 Parts, 1968
Catalog: Sets: Samsonite: Model Maker: Harbor |
| 10128-1 (Inv) | Train Level Crossing
319 Parts, 2 Minifigures, 2003
Catalog: Sets: Train: 9V: World City |
| 8866-1 (Inv) | Train Motor (RC)
7 Parts, 2009
Catalog: Sets: Train: Supplemental: RC Train |
| 127-1 (Inv) | Train Set
363 Parts, 1969
Catalog: Sets: Train: 4.5V |
| 1112-1 (Inv) | Train Sliding Wheel Blocks
2 Parts, 1977
Catalog: Sets: Service Packs: Train |
| 3771-1 (Inv) | Train Starter Set
65 Parts, 2 Minifigures, 2005
Catalog: Sets: DUPLO: DUPLO, Train |
| 4556-1 (Inv) | Train Station
212 Parts, 7 Minifigures, 1999
Catalog: Sets: Train: 9V |
| 7997-1 (Inv) | Train Station
367 Parts, 5 Minifigures, 2007
Catalog: Sets: Train: RC Train |
| 7937-1 (Inv) | Train Station
344 Parts, 4 Minifigures, 2010
Catalog: Sets: Train: RC Train |
| 60050-1 (Inv) | Train Station
403 Parts, 5 Minifigures, 2014
Catalog: Sets: Train: RC Train |
| 7824-1 (Inv) | Train Station (Railway Station)
433 Parts, 9 Minifigures, 1983
Catalog: Sets: Train: 4.5V |
| 720-2 (Inv) | Train with 12V Electric Motor
357 Parts, 1969
Catalog: Sets: Train: 12V |
| 60079-1 (Inv) | Training Jet Transporter
435 Parts, 3 Minifigures, 2015
Catalog: Sets: Town: City: Space Exploration |
| 9558-1 (Inv) | Training Set
209 Parts, 1 Minifigure, 5 Gear, 2012
Catalog: Sets: NINJAGO: Rise of the Snakes: Spinners |
| 6375-1 (Inv) | Trans Air Carrier (Transair Carrier)
185 Parts, 2 Minifigures, 1990
Catalog: Sets: Town: Classic Town: Cargo |
| 7864-1 (Inv) | Transformer / Controller 12V
28 Parts, 1980
Catalog: Sets: Train: Supplemental: 12V |
| 4548-1 (Inv) | Transformer and Speed Regulator
3 Parts, 1991
Catalog: Sets: Train: Supplemental: 9V |
| 16-1 (Inv) | Transparent Bricks
28 Parts, 1984
Catalog: Sets: Service Packs |
| 7345-1 (Inv) | Transport Chopper
383 Parts, 2012
Catalog: Sets: Creator: Model: Airport |
| 4997-1 (Inv) | Transport Ferry
1279 Parts, 2008
Catalog: Sets: Creator: Model: Harbor |
| 335-2 (Inv) | Transport Truck
99 Parts, 1967
Catalog: Sets: Classic: Vehicle: Cargo |
| 5765-1 (Inv) | Transport Truck
276 Parts, 2011
Catalog: Sets: Creator: Model: Traffic |
| 7596-1 (Inv) | Trash Compactor Escape
361 Parts, 3 Minifigures, 2010
Catalog: Sets: Toy Story: Toy Story 3 |
| 1896-1 (Inv) | Trauma Team
270 Parts, 5 Minifigures, 1992
Catalog: Sets: Town: Classic Town: Hospital |
| 8229-1 (Inv) | Tread Trekker
183 Parts, 1 Minifigure, 1997
Catalog: Sets: Technic: Model: Off-Road |
| 6557-1 (Inv) | Treasure Hunters
126 Parts, 3 Minifigures, 1997
Catalog: Sets: Town: Divers |
| 70411-1 (Inv) | Treasure Island
167 Parts, 3 Minifigures, 2015
Catalog: Sets: Pirates: Pirates III |
| 850851-1 (Inv) | Tree Holiday Bauble
26 Parts, 1 Gear, 2013
Catalog: Sets: Holiday & Event: Christmas |
| 21318-1 (Inv) | Tree House
3020 Parts, 4 Minifigures, 2019
Catalog: Sets: LEGO Ideas (CUUSOO) |
| 31010-1 (Inv) | Treehouse
352 Parts, 1 Minifigure, 2013
Catalog: Sets: Creator: Model: Building |
| 490-2 (Inv) | Trees and Bushes
9 Parts, 1966
Catalog: Sets: Classic: Supplemental |
| 990-2 (Inv) | Trees and Signs (1969 Version)
12 Parts, 1969
Catalog: Sets: Universal Building Set: Supplemental |
| 990-1 (Inv) | Trees and Signs (1970 Version)
12 Parts, 1970
Catalog: Sets: Universal Building Set: Supplemental |
| 21020-1 (Inv) | Trevi Fountain
731 Parts, 2014
Catalog: Sets: Architecture |
| 6851-1 (Inv) | Tri-Wheeled Tyrax
32 Parts, 1 Minifigure, 1991
Catalog: Sets: Space: Blacktron II |
| 5885-1 (Inv) | Triceratops Trapper
261 Parts, 2 Minifigures, 2012
Catalog: Sets: Dino |
| 7051-1 (Inv) | Tripod Invader
159 Parts, 2 Minifigures, 2011
Catalog: Sets: Space: Alien Conquest |
| 7038-1 (Inv) | Troll Assault Wagon
137 Parts, 4 Minifigures, 2008
Catalog: Sets: Castle: Fantasy Era |
| 7041-1 (Inv) | Troll Battle Wheel
483 Parts, 6 Minifigures, 2008
Catalog: Sets: Castle: Fantasy Era |
| 7048-1 (Inv) | Troll Warship
445 Parts, 9 Minifigures, 2008
Catalog: Sets: Castle: Fantasy Era |
| 7097-1 (Inv) | Trolls' Mountain Fortress
788 Parts, 10 Minifigures, 2009
Catalog: Sets: Castle: Fantasy Era |
| 21314-1 (Inv) | TRON: Legacy Lightcycle
211 Parts, 3 Minifigures, 2018
Catalog: Sets: LEGO Ideas (CUUSOO) |
| 75299-1 (Inv) | Trouble on Tatooine
266 Parts, 3 Minifigures, 2021
Catalog: Sets: Star Wars: Star Wars The Mandalorian |
| 317-1 (Inv) | Truck
125 Parts, 1963
Catalog: Sets: Classic: Vehicle: Traffic |