| Item No. | Description | Image |
| 631-1 (Inv) | Doors and Windows
52 Parts, 1996
Catalog: Sets: Universal Building Set: Supplemental | 
* |
| 5149-1 (Inv) | Doors and Windows
38 Parts, 1987
Catalog: Sets: Service Packs | 
* |
| 414.5R-1 | Doors, Red
1966
Catalog: Sets: Samsonite: Supplemental | 
* |
| 414.5W-1 | Doors, White
1966
Catalog: Sets: Samsonite: Supplemental | 
* |
| 7333-1 (Inv) | Dora and Diego's Animal Adventure
39 Parts, 2 Minifigures, 2004
Catalog: Sets: Explore: Dora the Explorer: DUPLO | 
* |
| 7330-1 (Inv) | Dora's Treasure Island
21 Parts, 1 Minifigure, 2004
Catalog: Sets: Explore: Dora the Explorer: DUPLO | 
* |
| 66664-1 (Inv) | Dots Bundle Pack (Sets 41902, 41903, 41905, and 41908)
4 Sets, 2021
Catalog: Sets: Dots | 
* |
| 45651-1 | Double Motor
2025
Catalog: Sets: Educational & Dacta: Science | 
* |
| 40314-1 (Inv) | Dr. Fox Magnifying Machine
75 Parts, 1 Gear, 2018
Catalog: Sets: Unikitty! | 
* |
| 6568-1 (Inv) | Drag Race Rally
270 Parts, 4 Minifigures, 1998
Catalog: Sets: Town: Extreme Team | 
* |
| 3724-1 (Inv) | Dragon
1535 Parts, 2001
Catalog: Sets: Sculptures | 
* |
| 2147-1 (Inv) | Dragon Fly
164 Parts, 2 Minifigures, 1997
Catalog: Sets: Town: Classic Town: Airport | 
* |
| 1794-1 (Inv) | Dragon Master Chariot
29 Parts, 1 Minifigure, 1994
Catalog: Sets: Castle: Dragon Knights | 
* |
| LLCA10-1 (Inv) | Dragon Sculpture (LEGOLAND California)
70 Parts, 2000
Catalog: Sets: LEGO Brand: LEGOLAND Parks | 
* |
| LLOlli-1 (Inv) | Dragon Sculpture, Olli the Dragon Holding Sign (LEGOLAND Deutschland)
48 Parts, 2002
Catalog: Sets: LEGO Brand: LEGOLAND Parks | 
* |
| 4189224-1 (Inv) | Dragon Sculpture, Ollie (LEGOLAND Billund)
47 Parts, 2002
Catalog: Sets: LEGO Brand: LEGOLAND Parks | 
* |
| 7846-1 (Inv) | Dragon Tournament
41 Parts, 3 Minifigures, 2006
Catalog: Sets: DUPLO: Castle | 
* |
| 1528-1 (Inv) | Dragster
21 Parts, 1 Minifigure, 1986
Catalog: Sets: Town: Classic Town: Race | 
* |
| 3713-1 (Inv) | Drummer Gabriel Monkey
7 Parts, 1 Minifigure, 1984
Catalog: Sets: Fabuland | 
* |
| 1491-1 (Inv) | Dual Defender polybag
40 Parts, 2 Minifigures, 1992
Catalog: Sets: Castle: Black Knights | 
* |
| 65071-1 (Inv) | Dual Pack: Lehvak & Pahrak
2 Sets, 1 Gear, 2002
Catalog: Sets: BIONICLE: Bohrok | 
* |
| 4617-1 (Inv) | Dual Turbo Prop
28 Parts, 2 Minifigures, 2002
Catalog: Sets: 4 Juniors: Jack Stone: Airport | 
* |
| k8647-1 (Inv) | Dual-Engine Truck
2 Sets, 2005
Catalog: Sets: Racers: Power Racers | 
* |
| 2315-1 (Inv) | Duck
6 Parts, 1985
Catalog: Sets: DUPLO: Basic Set | 
* |
| 2290-1 (Inv) | Duck
6 Parts, 1985
Catalog: Sets: DUPLO: Basic Set | 
* |
| 30321-1 (Inv) | Duck polybag
4 Parts, 2016
Catalog: Sets: DUPLO | 
* |
| 063-2 (Inv) | Ducks
18 Parts, 1978
Catalog: Sets: DUPLO: Basic Set | 
* |
| 8238-1 (Inv) | Dueling Dragsters
195 Parts, 2000
Catalog: Sets: Technic: Speed Slammers | 
* |
| 2606-1 (Inv) | Dump Truck
7 Parts, 1 Minifigure, 1997
Catalog: Sets: DUPLO: DUPLO, Town: Construction | 
* |
| 4653-1 (Inv) | Dump Truck
27 Parts, 1 Minifigure, 2003
Catalog: Sets: 4 Juniors: Town: Construction | 
* |
| 2910-1 (Inv) | Dumper Truck (Payloader)
17 Parts, 1 Minifigure, 1992
Catalog: Sets: DUPLO: Toolo | 
* |
| 9156-1 (Inv) | DUPLO Airport
72 Parts, 12 Minifigures, 8 Books, 1989
Catalog: Sets: Educational & Dacta: DUPLO: DUPLO, Town: Airport | 
* |
| 9976-1 (Inv) | Duplo Airport
72 Parts, 12 Minifigures, 1989
Catalog: Sets: Educational & Dacta: DUPLO: DUPLO, Town: Airport | 
* |
| 9163-1 (Inv) | Duplo Airport - 47 el. 4 act. cards (3 aircraft)
42 Parts, 7 Minifigures, 1 Gear, 1993
Catalog: Sets: Educational & Dacta: DUPLO: DUPLO, Town: Airport | 
* |
| 9191-1 (Inv) | DUPLO Animal Water Park
51 Parts, 2 Minifigures, 2 Gear, 1996
Catalog: Sets: Educational & Dacta: DUPLO: DUPLO, Town: Zoo | 
* |
| 9164-1 (Inv) | Duplo Animals for Safari Park - 11 animals for set 9160
11 Parts, 1990
Catalog: Sets: Educational & Dacta: DUPLO: DUPLO, Town: Zoo | 
* |
| 2078-1 (Inv) | DUPLO Baby Trial Size Set
4 Parts, 1996
Catalog: Sets: Primo | 
* |
| 9062-1 (Inv) | Duplo Basic Bucket
71 Parts, 1 Minifigure
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set | 
* |
| 9987-1 (Inv) | DUPLO Basic Bucket
64 Parts, 1 Minifigure, 1991
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set | 
* |
| 9085-1 | Duplo Basic Building Bricks
1997
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set | 
* |
| 9061-1 (Inv) | Duplo Basic Green Bucket - 66 elements
60 Parts, 5 Minifigures, 1994
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set | 
* |
| 2385-1 | Duplo Basic Set
1987
Catalog: Sets: DUPLO | 
* |
| 9057-1 (Inv) | Duplo Basic Set - 2 pullback motors
2 Parts, 1992
Catalog: Sets: Educational & Dacta: DUPLO: Supplemental | 
* |
| 9055-1 (Inv) | DUPLO Basic Set - Animals
122 Parts, 5 Books, 3 Gear, 1991
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set | 
* |
| 9052-1 (Inv) | Duplo Basic Set Figures
102 Parts, 1988
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set | 
* |
| 9050-1 (Inv) | Duplo Basic Set Large
150 Parts, 12 Minifigures, 1988
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set | 
* |
| 9053-1 (Inv) | Duplo Basic Set Vehicles - 70 el.
61 Parts, 10 Minifigures, 2 Gear, 1992
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set | 
* |
| 9054-1 (Inv) | Duplo Basic Trains
72 Parts, 12 Minifigures, 1988
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set | 
* |
| 9082-1 (Inv) | Duplo Basic Vehicles Set
113 Parts, 10 Minifigures, 1 Book, 1997
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set | 
* |
| 9166-1 (Inv) | Duplo Battery Train - 65 elements in solid storage bin
59 Parts, 4 Minifigures, 1 Gear
Catalog: Sets: Educational & Dacta: DUPLO: DUPLO, Train | 
* |