Image | Item No. | Description |
| 9133-1 (Inv) | Farm 90 Parts, 6 Minifigures, 1998 Catalog: Sets: Educational & Dacta: DUPLO: DUPLO, Town: Farm |
| 9148-1 (Inv) | Duplo Home 82 Parts, 8 Minifigures, 1998 Catalog: Sets: Educational & Dacta: DUPLO: Playhouse |
| 9189-1 (Inv) | Animal and Fun Park 102 Parts, 3 Minifigures, 1998 Catalog: Sets: Educational & Dacta: DUPLO: DUPLO, Town: Zoo |
| 9192-1 (Inv) | DUPLO Zoo Babies (Zoo Animals) 16 Parts, 1998 Catalog: Sets: Educational & Dacta: DUPLO: DUPLO, Town: Zoo |
| 9194-1 (Inv) | Giant Duplo Dinosaur Set 123 Parts, 6 Minifigures, 1998 Catalog: Sets: Educational & Dacta: DUPLO: Dino |
| 9286-1 (Inv) | Large Lego Baseplates (Large Building Plates) 4 Parts, 1998 Catalog: Sets: Educational & Dacta: Supplemental |
| 9633-1 (Inv) | Advanced Air Power Set (Pneumatics II) 211 Parts, 3 Books, 3 Gear, 1998 Catalog: Sets: Educational & Dacta: Technic |
| 9654-1 (Inv) | Early Simple Machines II (Primary Simple Machines Set) 97 Parts, 2 Minifigures, 13 Books, 3 Gear, 1998 Catalog: Sets: Educational & Dacta: DUPLO: Learning |
| 9655-1 (Inv) | Fun Time Gears II 46 Parts, 4 Books, 2 Gear, 1998 Catalog: Sets: Educational & Dacta: DUPLO: Learning |
| 9713-1 (Inv) | Infrared Transmission Tower 2 Parts, 1998 Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX |
| 9725-1 (Inv) | ROBOLAB Amusement Park Set {1998 Version} 284 Parts, 5 Minifigures, 2 Books, 4 Gear, 1998 Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX |
| 9776-1 (Inv) | Pneumatic Circuit 4 Parts, 1998 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 9780-1 (Inv) | ROBOLAB Starter Building Set 1702 Parts, 4 Minifigures, 10 Gear, 1998 Catalog: Sets: Educational & Dacta: MINDSTORMS: RCX |
| 9815-1 (Inv) | Basic Bulk 91 Parts, 1 Minifigure, 1998 Catalog: Sets: Educational & Dacta: DUPLO: Basic Set |
| 9900-1 (Inv) | Small Gear Wheels 21 Parts, 1998 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 9939-1 (Inv) | Assorted Pulleys 14 Parts, 1998 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 9941-1 (Inv) | Cams and Linkages 18 Parts, 1998 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 9942-1 (Inv) | Connectors and Bushings 152 Parts, 1998 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 9943-1 (Inv) | Axles and Extenders 54 Parts, 1998 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 9945-1 (Inv) | Differentials 14 Parts, 1998 Catalog: Sets: Educational & Dacta: Service Packs: Technic |
| 9954-1 (Inv) | Special Elements for Mini Sets 55 Parts, 1998 Catalog: Sets: Educational & Dacta: Service Packs: Special Element Sets |
| 9955-1 (Inv) | Special Elements for Pneumatics II (Special Elements For 979633) 61 Parts, 1998 Catalog: Sets: Educational & Dacta: Service Packs: Special Element Sets |
| 9958-1 (Inv) | Special Elements for Control Lab Building Set (Special Elements For 979701) 97 Parts, 1998 Catalog: Sets: Educational & Dacta: Service Packs: Special Element Sets |
| 9959-1 (Inv) | Special Elements for Intelligent House Building Set (Special Elements For 979707) 38 Parts, 1998 Catalog: Sets: Educational & Dacta: Service Packs: Special Element Sets |