| Image | Item No. | Description |
| 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 |
| 9719-1 (Inv) | Robotics Invention System, Version 1.0
727 Parts, 2 Gear, 1998
Catalog: Sets: 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 |
| 9730-1 (Inv) | RoboSports
91 Parts, 1 Gear, 1998
Catalog: Sets: MINDSTORMS: RCX |
| 9732-1 (Inv) | Extreme Creatures
148 Parts, 1 Gear, 1998
Catalog: Sets: 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 |
| 880002-1 (Inv) | World Cup German Starter Set
7 Sets, 1 Part, 1998
Catalog: Sets: Sports: Soccer |