Image | Item No. | Description |
| 5165-1 (Inv) | Hinges, Couplings and Tilting Bearings 31 Parts, 1991 Catalog: Sets: Service Packs |
| 5166-1 (Inv) | Lampholders, Plates with Holder 18 Parts, 1991 Catalog: Sets: Service Packs |
| 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 |
| 6645-1 (Inv) | Street Sweeper 50 Parts, 2 Minifigures, 1991 Catalog: Sets: Town: Classic Town: Traffic |
| 6862-1 | Secret Space Voyager (Super Model Instructions) 1991 X Catalog: Sets: Space: M:Tron |
| 8820-1 (Inv) | Mountain Rambler 139 Parts, 1991 Catalog: Sets: Technic: Model: Off-Road |
| 9055-1 (Inv) | DUPLO Basic Set - Animals 122 Parts, 5 Books, 3 Gear, 1991 Catalog: Sets: Educational & Dacta: DUPLO: Basic Set |
| 9161-1 (Inv) | Duplo Train - 70 el, 4 act. crds 66 Parts, 5 Minifigures, 4 Books, 1991 Catalog: Sets: Educational & Dacta: DUPLO: DUPLO, Train |
| 9252-2 (Inv) | Large LEGO Basic Set (1991 Version) 608 Parts, 8 Minifigures, 6 Books, 1 Gear, 1991 Catalog: Sets: Educational & Dacta: Universal Building Set |
| 9256-1 (Inv) | Small Basic Set 80 Parts, 4 Minifigures, 1991 Catalog: Sets: Educational & Dacta: Supplemental |
| 9262-1 (Inv) | Extra Basic Bricks 438 Parts, 1991 Catalog: Sets: Educational & Dacta: Supplemental |
| 9353-1 (Inv) | Large Theme Set 920 Parts, 4 Books, 1 Gear, 1991 Catalog: Sets: Educational & Dacta: Town |
| 9356-1 (Inv) | Town Environment 605 Parts, 8 Minifigures, 4 Books, 1 Gear, 1991 Catalog: Sets: Educational & Dacta: Town |
| 9987-1 (Inv) | DUPLO Basic Bucket 64 Parts, 1 Minifigure, 1991 Catalog: Sets: Educational & Dacta: DUPLO: Basic Set |
| 9988-1 (Inv) | Basic Bucket Kindergarten to Grade 1 444 Parts, 2 Minifigures, 1991 Catalog: Sets: Educational & Dacta: Basic |
| 820096-2 (Inv) | Technic I Exploration Packet 34 Parts, 4 Books, 1 Gear, 1991 Catalog: Sets: Educational & Dacta: Technic |
| 821264-1 (Inv) | The Lego High Speed Adventure Team (TRU Exclusive) 3 Sets, 1991 Catalog: Sets: Town: Classic Town |