Image | Item No. | Description |
| 1407-1 (Inv) | Cooking with Mummy 6 Parts, 1 Minifigure, 2001 Catalog: Sets: DUPLO: Playhouse |
| 8433-1 (Inv) | Cool Movers 215 Parts, 2004 Catalog: Sets: Technic: Model: Traffic |
| 7518-1 (Inv) | Cool Room Catchers 111 Parts, 2 Gear, 2003 Catalog: Sets: Clikits |
| 6985-1 (Inv) | Cosmic Fleet Voyager 393 Parts, 4 Minifigures, 1986 Catalog: Sets: Space: Classic Space |
| 3069-1 (Inv) | Cosmic Wing 18 Parts, 1 Minifigure, 1999 Catalog: Sets: Town: Space Port |
| 6418-1 (Inv) | Country Club 260 Parts, 5 Minifigures, 1996 Catalog: Sets: Town: Paradisa |
| 210-1 (Inv) | Cowboys 39 Parts, 1976 Catalog: Sets: Building Set with People: Western: Cowboys |
| 6140-1 (Inv) | Crab 73 Parts, 1 Minifigure, 1998 Catalog: Sets: Aquazone: Stingrays |
| 6446-1 (Inv) | Crane Truck 22 Parts, 1 Minifigure, 1999 Catalog: Sets: Town: Town Jr.: Wrecker |
| 6674-1 (Inv) | Crane Truck 83 Parts, 1 Minifigure, 1988 Catalog: Sets: Town: Classic Town: Wrecker |
| 7817-1 (Inv) | Crane Wagon 143 Parts, 1 Minifigure, 1985 Catalog: Sets: Train: 4.5V |
| 1105-1 (Inv) | Crawler Tracks 2 Parts, 1977 Catalog: Sets: Service Packs |
| 4014-1 (Inv) | Creator Exclusive 500 Parts, 2003 Catalog: Sets: Creator: Basic Set |
| 4279-1 (Inv) | Creator Strata Red 1003 Parts, 2003 Catalog: Sets: Creator: Basic Set |
| 1560-3 (Inv) | Crest Basic Building Set 27 Parts, 1985 Catalog: Sets: Universal Building Set: Basic |
| 10074-1 (Inv) | Cross Axles 68 Parts, 2003 Catalog: Sets: Bulk Bricks: Technic |
| 4111-1 (Inv) | Cross Road Plates 2 Parts, 2002 Catalog: Sets: 4 Juniors: Supplemental |
| 6304-1 (Inv) | Cross Roads Plates 2 Parts, 1980 Catalog: Sets: Town: Classic Town: Supplemental |
| 6313-1 (Inv) | Cross-Road Plates 2 Parts, 1986 Catalog: Sets: Town: Classic Town: Supplemental |
| 7857-1 (Inv) | Crossing, Electric Rails Gray 12v 5 Parts, 1980 Catalog: Sets: Train: Supplemental: 12V |
| 1728-1 (Inv) | Crystal Crawler {with Aqua Playscape} 89 Parts, 1 Minifigure, 1996 Catalog: Sets: Aquazone: Aquanauts |
| 2712-1 (Inv) | Curved Rails 4 Parts, 1983 Catalog: Sets: DUPLO: DUPLO, Train |
| 2735-1 (Inv) | Curved Rails (Dark Gray) 6 Parts, 1993 Catalog: Sets: DUPLO: DUPLO, Train |
| 552-1 (Inv) | Curved Road Plates 2 Parts, 1979 Catalog: Sets: Town: Classic Town: Supplemental |
| 301-1 (Inv) | Curved Road Plates 2 Parts, 1978 Catalog: Sets: Town: Classic Town: Supplemental |
| 6311-1 (Inv) | Curved Road Plates 2 Parts, 1986 Catalog: Sets: Town: Classic Town: Supplemental |
| 4109-1 (Inv) | Curved Road Plates 2 Parts, 2002 Catalog: Sets: 4 Juniors: Supplemental |
| 6816-1 (Inv) | Cyber Blaster polybag 17 Parts, 1 Minifigure, 1997 Catalog: Sets: Space: UFO |
| 6999-1 (Inv) | Cyber Saucer with Promotional Mask 109 Parts, 1 Minifigure, 1 Gear, 1997 Catalog: Sets: Space: UFO |
| 8770-1 (Inv) | Danju (European version without Cards) 42 Parts, 2004 Catalog: Sets: Castle: Knights Kingdom II |
| 8782-1 (Inv) | Danju (USA version with 3 Cards) 42 Parts, 3 Gear, 2004 Catalog: Sets: Castle: Knights Kingdom II |
| 8782-2 (Inv) | Danju (USA version with 6 Cards, Target Promo) 42 Parts, 6 Gear, 2004 Catalog: Sets: Castle: Knights Kingdom II |
| 6076-1 (Inv) | Dark Dragon's Den 194 Parts, 4 Minifigures, 1993 Catalog: Sets: Castle: Dragon Knights |
| 3391-1 (Inv) | Dash, Mission Deep Sea, Chupa Chups Promotional polybag 1 Part, 1 Minifigure, 2003 Catalog: Sets: Alpha Team: Mission Deep Sea |
| 6441-1 (Inv) | Deep Reef Refuge 416 Parts, 5 Minifigures, 1997 Catalog: Sets: Town: Divers |
| 4506-1 (Inv) | Deep Sea Predators 352 Parts, 2004 Catalog: Sets: Designer Sets: Creature |
| 2623-1 (Inv) | Delivery Truck 6 Parts, 1 Minifigure, 1980 Catalog: Sets: DUPLO: DUPLO, Town: Cargo |
| 2933-1 (Inv) | Deluxe Train Set with Motor 76 Parts, 3 Minifigures, 2000 Catalog: Sets: DUPLO: DUPLO, Train |
| 2879-1 (Inv) | Desert Expedition 171 Parts, 5 Minifigures, 1998 Catalog: Sets: Adventurers: Desert |
| 5948-1 (Inv) | Desert Expedition 171 Parts, 5 Minifigures, 1998 Catalog: Sets: Adventurers: Desert |
| 4723-1 (Inv) | Diagon Alley Shops 78 Parts, 1 Minifigure, 2001 Catalog: Sets: Harry Potter: Sorcerer's Stone |
| 2737-1 (Inv) | Diamond Crossing and Tracks (Rails & Crossings) 9 Parts, 1993 Catalog: Sets: DUPLO: DUPLO, Train |
| 1228-1 (Inv) | Differential Gear Housing 28 Parts, 1982 Catalog: Sets: Service Packs: Technic |
| 1235-1 (Inv) | Differential Gear Housing 19 Parts, 1984 Catalog: Sets: Service Packs: Technic |
| kabdino-1 (Inv) | Dino Island 4-Pack 4 Sets, 2000 Catalog: Sets: Adventurers: Dino Island |
| 7219-1 (Inv) | Dinosaur polybag 34 Parts, 2004 Catalog: Sets: Designer Sets: Creature |
| 2603-1 (Inv) | Dinosaurs Tub 68 Parts, 2 Minifigures, 1997 Catalog: Sets: DUPLO: Dino |
| 1782-1 (Inv) | Discovery Station 297 Parts, 5 Minifigures, 1997 Catalog: Sets: Town: Divers |
| 2871-1 (Inv) | Diver and Shark 9 Parts, 1 Minifigure, 1997 Catalog: Sets: Town: Divers |
| 6560-1 (Inv) | Diving Expedition Explorer 429 Parts, 7 Minifigures, 1997 Catalog: Sets: Town: Divers |