Image | Item No. | Description |
| 1495-1 (Inv) | Basic Building Set Trial Size 24 Parts, 1988 Catalog: Sets: Universal Building Set: Basic |
| 1544-1 (Inv) | Medium Bucket 53 Parts, 2 Minifigures, 1988 Catalog: Sets: DUPLO: Basic Set |
| 1623-1 (Inv) | Small Bucket 43 Parts, 1988 Catalog: Sets: DUPLO: Basic Set |
| 1929-1 (Inv) | Guardsman polybag 13 Parts, 1988 Catalog: Sets: Universal Building Set: Basic Model |
| 2614-1 (Inv) | Mother and Baby with Pram 1 Part, 2 Minifigures, 1988 Catalog: Sets: DUPLO: Playhouse |
| 2626-1 (Inv) | Car and Boat Vacation Trailer 4 Parts, 1 Minifigure, 1988 Catalog: Sets: DUPLO: DUPLO, Town: Harbor |
| 2641-2 (Inv) | Jumbo Plane 9 Parts, 1 Minifigure, 1988 Catalog: Sets: DUPLO: DUPLO, Town: Airport |
| 2652-1 (Inv) | Circus Caravan 12 Parts, 4 Minifigures, 1988 Catalog: Sets: DUPLO: DUPLO, Town: Circus |
| 2701-1 (Inv) | Express 44 Parts, 2 Minifigures, 1988 Catalog: Sets: DUPLO: DUPLO, Train |
| 2720-1 (Inv) | Cargo Center 32 Parts, 1 Minifigure, 1988 Catalog: Sets: DUPLO: DUPLO, Town: Cargo |
| 6770-1 (Inv) | Lunar Transporter Patroller 111 Parts, 1 Minifigure, 1988 Catalog: Sets: Space: Futuron |
| 9050-1 (Inv) | Duplo Basic Set Large 150 Parts, 12 Minifigures, 1988 Catalog: Sets: Educational & Dacta: DUPLO: Basic Set |
| 9052-1 (Inv) | Duplo Basic Set Figures 102 Parts, 1988 Catalog: Sets: Educational & Dacta: DUPLO: Basic Set |
| 9054-1 (Inv) | Duplo Basic Trains 72 Parts, 12 Minifigures, 1988 Catalog: Sets: Educational & Dacta: DUPLO: Basic Set |
| 9056-1 (Inv) | Extra Duplo Bricks 94 Parts, 1988 Catalog: Sets: Educational & Dacta: DUPLO: Basic Set |
| 9152-1 (Inv) | Duplo House -123 elements 121 Parts, 5 Minifigures, 1988 Catalog: Sets: Educational & Dacta: DUPLO: Playhouse |