Image | Item No. | Description |
| 2455-1 (Inv) | Corral 22 Parts, 2 Minifigures, 1991 Catalog: Sets: DUPLO: DUPLO, Town: Farm |
| 1611-1 (Inv) | Dune Buggy 19 Parts, 1991 Catalog: Sets: Town: Classic Town: Off-Road |
| 1610-1 (Inv) | Police Car 19 Parts, 1991 Catalog: Sets: Town: Classic Town: Police |
| 1483-1 (Inv) | Sailor and Parrot 19 Parts, 1991 Catalog: Sets: DUPLO: Basic Set |
| 5155-1 (Inv) | Space Jets and Wings 19 Parts, 1991 Catalog: Sets: Service Packs |
| 5166-1 (Inv) | Lampholders, Plates with Holder 18 Parts, 1991 Catalog: Sets: Service Packs |
| 1481-1 (Inv) | Desert Island 17 Parts, 1 Minifigure, 1991 Catalog: Sets: Pirates: Pirates I |
| 6812-1 (Inv) | Grid Trekkor 17 Parts, 1 Minifigure, 1991 Catalog: Sets: Space: Blacktron II |
| 5164-1 (Inv) | Hinges, Turntables and Couplings 17 Parts, 1991 Catalog: Sets: Service Packs |
| 5153-1 (Inv) | Plane Accessories 17 Parts, 1991 Catalog: Sets: Service Packs: Town |
| 5156-1 (Inv) | Transparent Bricks 17 Parts, 1991 Catalog: Sets: Service Packs |
| 1635-1 (Inv) | Fire Dispatch 16 Parts, 2 Minifigures, 1991 Catalog: Sets: DUPLO: DUPLO, Town: Fire |
| 2672-1 (Inv) | Police Station 16 Parts, 3 Minifigures, 1991 Catalog: Sets: DUPLO: DUPLO, Town: Police |
| 2341-1 (Inv) | Peter's Holiday Building Set 15 Parts, 1 Minifigure, 1991 Catalog: Sets: DUPLO: Basic Set |
| 2776-1 (Inv) | Bedroom 14 Parts, 1 Minifigure, 1991 Catalog: Sets: DUPLO: Playhouse |
| 2773-1 (Inv) | Barbecue 12 Parts, 3 Minifigures, 1991 Catalog: Sets: DUPLO: Playhouse |
| 2777-1 (Inv) | Living Room 12 Parts, 1 Minifigure, 1991 Catalog: Sets: DUPLO: Playhouse |
| 5045-1 (Inv) | Magnets, Magnet Holders 12 Parts, 1991 Catalog: Sets: Service Packs |
| 2451-1 (Inv) | PreSchool Basic Model Police Squad 12 Parts, 2 Minifigures, 1991 Catalog: Sets: DUPLO: Basic Set |
| 2778-1 (Inv) | Kitchen 11 Parts, 1 Minifigure, 1991 Catalog: Sets: DUPLO: Playhouse |
| 2779-1 (Inv) | Playhouse (unfurnished) 11 Parts, 1991 Catalog: Sets: DUPLO: Playhouse |
| 5046-1 (Inv) | Hub, Tire and Wheel Suspension 10 Parts, 1991 Catalog: Sets: Service Packs |
| 2654-1 (Inv) | Police Emergency Unit 10 Parts, 2 Minifigures, 1991 Catalog: Sets: DUPLO: DUPLO, Town: Police |
| 5272-1 (Inv) | Cylinder Motor 9 Parts, 1991 Catalog: Sets: Service Packs: Technic |
| 2331-1 (Inv) | Barney, The Skateboard Bear 8 Parts, 1991 Catalog: Sets: DUPLO: Basic Set |
| 4520-1 (Inv) | Curved Rails 8 Parts, 1991 Catalog: Sets: Train: Supplemental: 9V |
| 9362-1 (Inv) | Road Plates 8 Parts, 1991 Catalog: Sets: Educational & Dacta: Town |
| 4515-1 (Inv) | Straight Rails 8 Parts, 1991 Catalog: Sets: Train: Supplemental: 9V |
| 2671-1 (Inv) | Racing Team 7 Parts, 2 Minifigures, 1991 Catalog: Sets: DUPLO: DUPLO, Town: Race |
| 2447-1 (Inv) | Speedway 7 Parts, 2 Minifigures, 1991 Catalog: Sets: DUPLO: Basic Set |
| 2775-1 (Inv) | Bathroom 6 Parts, 1 Minifigure, 1991 Catalog: Sets: DUPLO: Playhouse |
| 4531-1 (Inv) | Manual Points 6 Parts, 1991 Catalog: Sets: Train: Supplemental: 9V |
| 6704-1 (Inv) | Minifigure Pack 6 Parts, 6 Minifigures, 1991 Catalog: Sets: Space: Supplemental |
| 2443-1 (Inv) | Lil' Skipper 5 Parts, 1 Minifigure, 1991 Catalog: Sets: DUPLO: DUPLO, Town: Harbor |
| 2660-1 (Inv) | Zoo Nursery (Zoo Babies) 5 Parts, 1991 Catalog: Sets: DUPLO: DUPLO, Town: Zoo |
| 5271-1 (Inv) | Tires (50mm) with Hubs 4 Parts, 1991 Catalog: Sets: Service Packs: Technic |
| 5300-1 (Inv) | Electric Train Motor 3 Parts, 1991 Catalog: Sets: Service Packs: Train |
| 5044-1 (Inv) | Plateau, Approach for Harbour 3 Parts, 1991 Catalog: Sets: Service Packs |
| 4548-1 (Inv) | Transformer and Speed Regulator 3 Parts, 1991 Catalog: Sets: Train: Supplemental: 9V |
| 2303-1 (Inv) | Building Plates 2 Parts, 1991 Catalog: Sets: DUPLO: Supplemental |
| 6710-1 (Inv) | Space Landing Pads 2 Parts, 1991 Catalog: Sets: Space: Supplemental |
| 5115-1 (Inv) | 9V Battery Box 1 Part, 1991 Catalog: Sets: Service Packs: Technic |
| 5114-1 (Inv) | 9V Motor 1 Part, 1991 Catalog: Sets: Service Packs: Technic |
| 819-1 (Inv) | Blue Sea Plate 1 Part, 1991 Catalog: Sets: Universal Building Set: Supplemental |
| 2771-1 (Inv) | Family 1 Part, 7 Minifigures, 1991 Catalog: Sets: DUPLO: Supplemental |
| 2306-1 (Inv) | Large Building Plate 1 Part, 1991 Catalog: Sets: DUPLO: Supplemental |
| 5099-1 (Inv) | Pneumatic Valves 1 Part, 1991 Catalog: Sets: Service Packs: Technic |
| 2318-1 (Inv) | Pullback Motor 1 Part, 1991 Catalog: Sets: DUPLO: Supplemental |
| 1476-1 (Inv) | 5 Set Bonus Pack 5 Sets, 1991 Catalog: Sets: Value Packs |
| 6862-1 | Secret Space Voyager (Super Model Instructions) 1991 X Catalog: Sets: Space: M:Tron |