Image | Item No. | Description |
| 7280-1 (Inv) | Straight & Crossroad Plates 2 Parts, 2005 Catalog: Sets: Town: City: Supplemental |
| 7896-1 (Inv) | Straight & Curved Rails 16 Parts, 2006 Catalog: Sets: Train: Supplemental: RC Train |
| 4515-1 (Inv) | Straight Rails 8 Parts, 1991 Catalog: Sets: Train: Supplemental: 9V |
| 553-1 (Inv) | Straight Road Plates 2 Parts, 1979 Catalog: Sets: Town: Classic Town: Supplemental |
| 6312-1 (Inv) | Straight Road Plates 2 Parts, 1986 Catalog: Sets: Town: Classic Town: Supplemental |
| 6322-1 (Inv) | Straight Road Plates 2 Parts, 1997 Catalog: Sets: Town: Town Jr.: Supplemental |
| 5159-1 (Inv) | Straight Runways 2 Parts, 1990 Catalog: Sets: Service Packs: Town |
| 6743-1 (Inv) | Street Speeder 165 Parts, 2009 Catalog: Sets: Creator: Model: Traffic |
| 7525-1 (Inv) | Sunshine Picture Clips 24 Parts, 2004 Catalog: Sets: Clikits |
| 7895-1 (Inv) | Switching Tracks 8 Parts, 2006 Catalog: Sets: Train: Supplemental: RC Train |
| 551-1 (Inv) | T Road Plates 2 Parts, 1979 Catalog: Sets: Town: Classic Town: Supplemental |
| 7281-1 (Inv) | T-Junction & Curved Road Plates 2 Parts, 2005 Catalog: Sets: Town: City: Supplemental |
| 300-1 (Inv) | T-Junction Road Plates 2 Parts, 1978 Catalog: Sets: Town: Classic Town: Supplemental |
| 4108-1 (Inv) | T-Junction Road Plates 2 Parts, 2002 Catalog: Sets: 4 Juniors: Supplemental |
| 6310-1 (Inv) | T-Road Plates 2 Parts, 1986 Catalog: Sets: Town: Classic Town: Supplemental |
| 6320-1 (Inv) | T-Road Plates 2 Parts, 1997 Catalog: Sets: Town: Town Jr.: Supplemental |
| 10016-1 (Inv) | Tanker 128 Parts, 2001 Catalog: Sets: Train: 9V: My Own Train |
| 312-3 (Inv) | Tanker 116 Parts, 1973 Catalog: Sets: Boat |
| 9753-1 (Inv) | Technic Control Center I 15 Parts, 1995 Catalog: Sets: Educational & Dacta: Technic: Supplemental |
| 3742-1 (Inv) | Tender Basis (without color trim elements) 39 Parts, 2001 Catalog: Sets: Train: 9V: My Own Train |
| 3264-1 (Inv) | Tez 9 Parts, 2001 Catalog: Sets: DUPLO: Zooters |
| 40011-1 (Inv) | Thanksgiving Turkey polybag 53 Parts, 2010 Catalog: Sets: Holiday & Event: Thanksgiving |
| 7009-1 (Inv) | The Final Joust 51 Parts, 2 Minifigures, 2007 Catalog: Sets: Castle: Fantasy Era |
| 5659-1 (Inv) | The Great Train Chase 36 Parts, 3 Minifigures, 2010 Catalog: Sets: DUPLO: Toy Story: Toy Story 3 |
| 5615-1 (Inv) | The Knight 17 Parts, 1 Minifigure, 2008 Catalog: Sets: Castle: Fantasy Era |
| 7420-1 (Inv) | Thunder Blazer 65 Parts, 1 Minifigure, 2003 Catalog: Sets: Adventurers: Orient Expedition |
| 1802-1 (Inv) | Tidy Treasure polybag 18 Parts, 1 Minifigure, 1996 Catalog: Sets: Pirates: Pirates I |
| 5270-1 (Inv) | Tires (43mm) with Hubs 4 Parts, 1987 Catalog: Sets: Service Packs: Technic |
| 8915-1 (Inv) | Toa Matoro 62 Parts, 2007 Catalog: Sets: BIONICLE: Toa Mahri |
| 601-2 (Inv) | Tow Truck 15 Parts, 1970 Catalog: Sets: LEGOLAND: Vehicle: Traffic |
| 10128-1 (Inv) | Train Level Crossing 319 Parts, 2 Minifigures, 2003 Catalog: Sets: Train: 9V: World City |
| 3734-1 (Inv) | Train Windows with Panes Blue 20 Parts, 2000 Catalog: Sets: Bulk Bricks |
| 7604-1 (Inv) | Triceratops polybag 34 Parts, 2006 Catalog: Sets: Creator: Basic Model: Creature |
| 7038-1 (Inv) | Troll Assault Wagon 137 Parts, 4 Minifigures, 2008 Catalog: Sets: Castle: Fantasy Era |
| 10170-1 (Inv) | TTX Intermodal Double-Stack Car 366 Parts, 2005 Catalog: Sets: Train: 9V |
| 4005-1 (Inv) | Tug Boat 62 Parts, 1 Minifigure, 1982 Catalog: Sets: Boat |
| 4537-1 (Inv) | Twin Tank Transport 170 Parts, 1 Minifigure, 1993 Catalog: Sets: Train: 9V |
| 306-1 (Inv) | Two Lunar Landing Plates 2 Parts, 1979 Catalog: Sets: Space: Supplemental |
| 454-1 (Inv) | Two Lunar Landing Plates 2 Parts, 1979 Catalog: Sets: Space: Supplemental |
| 7411-1 (Inv) | Tygurah's Roar 90 Parts, 1 Minifigure, 3 Gear, 2003 Catalog: Sets: Adventurers: Orient Expedition |
| K4515-1 (Inv) | Ultimate Track Kit 15 Sets, 1992 Catalog: Sets: Train: Supplemental: 9V |
| 30406-1 (Inv) | Unikitty Roller Coaster Wagon polybag 32 Parts, 1 Minifigure, 2018 Catalog: Sets: Unikitty! |
| 7871-1 (Inv) | Whale polybag 31 Parts, 2007 Catalog: Sets: Creator: Basic Model: Creature |
| 5174-1 (Inv) | Wheels and Bearings 16 Parts, 1987 Catalog: Sets: Service Packs |
| 837-1 (Inv) | Wheels and Tires Parts Pack 16 Parts, 1980 Catalog: Sets: Universal Building Set: Supplemental |
| 8856-1 (Inv) | Whirlwind Rescue 515 Parts, 1991 Catalog: Sets: Technic: Model: Airport |
| 20005-1 (Inv) | Winged Rahi (Klakk) polybag 38 Parts, 2008 Catalog: Sets: BIONICLE |
| 2872-1 (Inv) | Witch and Fireplace 15 Parts, 1 Minifigure, 1997 Catalog: Sets: Castle: Fright Knights |
| 4308-1 (Inv) | Yellow Racer polybag 28 Parts, 2004 Catalog: Sets: Racers: Drome Racers |
| 6942-1 (Inv) | Zo Weevil 16 Parts, 1 Minifigure, 1999 Catalog: Sets: Space: Insectoids |