| Image | Item No. | Description |
| 8865-1 (Inv) | Test Car
898 Parts, 1988
Catalog: Sets: Technic: Model: Traffic |
| 6085-1 (Inv) | Black Monarch's Castle
639 Parts, 12 Minifigures, 1988
Catalog: Sets: Castle: Black Knights |
| 8855-1 (Inv) | Prop Plane
573 Parts, 1 Minifigure, 1988
Catalog: Sets: Technic: Model: Airport |
| 6394-1 (Inv) | Metro Park & Service Tower
566 Parts, 6 Minifigures, 1988
Catalog: Sets: Town: Classic Town: Gas Station |
| 6987-1 (Inv) | Message Intercept Base
538 Parts, 5 Minifigures, 1988
Catalog: Sets: Space: Blacktron I |
| 6395-1 (Inv) | Victory Lap Raceway
516 Parts, 13 Minifigures, 1988
Catalog: Sets: Town: Classic Town: Race |
| 8853-1 (Inv) | Excavator
331 Parts, 1988
Catalog: Sets: Technic: Model: Construction |
| 1577-1 (Inv) | Medium Bucket
207 Parts, 1 Minifigure, 1988
Catalog: Sets: Universal Building Set: Basic |
| 6054-1 (Inv) | Forestmen's Hideout
194 Parts, 2 Minifigures, 1988
Catalog: Sets: Castle: Forestmen |
| 6349-1 (Inv) | Vacation House
193 Parts, 2 Minifigures, 1988
Catalog: Sets: Town: Classic Town: Building |
| 6925-1 (Inv) | Interplanetary Rover
185 Parts, 4 Minifigures, 1988
Catalog: Sets: Space: Futuron |
| 1490-1 (Inv) | Town Bank
171 Parts, 3 Minifigures, 1988
Catalog: Sets: Town: Classic Town: Traffic |
| 1571-1 (Inv) | Basic Set
169 Parts, 1 Minifigure, 1988
Catalog: Sets: Universal Building Set: Basic |
| 6357-1 (Inv) | Stunt 'Copter N' Truck
152 Parts, 2 Minifigures, 1988
Catalog: Sets: Town: Classic Town: Traffic |
| 9050-1 (Inv) | Duplo Basic Set Large
150 Parts, 12 Minifigures, 1988
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set |
| 1617-1 (Inv) | Small Bucket
148 Parts, 1 Minifigure, 1988
Catalog: Sets: Universal Building Set: Basic |
| 6356-1 (Inv) | Med-Star Rescue Plane
140 Parts, 3 Minifigures, 1988
Catalog: Sets: Town: Classic Town: Hospital |
| 1584-1 (Inv) | Knights Challenge
136 Parts, 8 Minifigures, 1988
Catalog: Sets: Castle: Lion Knights |
| 9152-1 (Inv) | Duplo House -123 elements
121 Parts, 5 Minifigures, 1988
Catalog: Sets: Educational & Dacta: DUPLO: Playhouse |
| 6770-1 (Inv) | Lunar Transporter Patroller
111 Parts, 1 Minifigure, 1988
Catalog: Sets: Space: Futuron |
| 1622-1 (Inv) | Pre-School Bucket
104 Parts, 7 Minifigures, 1988
Catalog: Sets: DUPLO: Basic Set |
| 9052-1 (Inv) | Duplo Basic Set Figures
102 Parts, 1988
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set |
| 6590-1 (Inv) | Vacation Camper
100 Parts, 2 Minifigures, 1988
Catalog: Sets: Town: Classic Town: Traffic |
| 9056-1 (Inv) | Extra Duplo Bricks
94 Parts, 1988
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set |
| 3683-1 (Inv) | Amusement Park
93 Parts, 4 Minifigures, 1988
Catalog: Sets: Fabuland |
| 6885-1 (Inv) | Saturn Base Main Team (Crater Crawler)
93 Parts, 1 Minifigure, 1988
Catalog: Sets: Space: Futuron |
| 611-2 (Inv) | Air Canada Jet Plane
92 Parts, 1988
Catalog: Sets: Universal Building Set: Airport |
| 6875-1 (Inv) | Hovercraft
87 Parts, 1 Minifigure, 1988
Catalog: Sets: Space: Futuron |
| 8832-1 (Inv) | Roadster
86 Parts, 1988
Catalog: Sets: Technic: Model: Race |
| 6674-1 (Inv) | Crane Truck
83 Parts, 1 Minifigure, 1988
Catalog: Sets: Town: Classic Town: Wrecker |
| 9221-1 (Inv) | Mosaic Puzzles - Town
81 Parts, 1988
Catalog: Sets: Educational & Dacta: DUPLO: Mosaic |
| 6876-1 (Inv) | Alienator
80 Parts, 1 Minifigure, 1988
Catalog: Sets: Space: Blacktron I |
| 6675-1 (Inv) | Road & Trail 4x4
77 Parts, 1 Minifigure, 1988
Catalog: Sets: Town: Classic Town: Off-Road |
| 9220-1 (Inv) | Duplo Farm Scene Mosaics
76 Parts, 4 Books, 1 Gear, 1988
Catalog: Sets: Educational & Dacta: DUPLO: Mosaic |
| 9054-1 (Inv) | Duplo Basic Trains
72 Parts, 12 Minifigures, 1988
Catalog: Sets: Educational & Dacta: DUPLO: Basic Set |
| 6039-1 (Inv) | Twin Arm Launcher
69 Parts, 2 Minifigures, 1988
Catalog: Sets: Castle: Lion Knights |
| 6643-1 (Inv) | Fire Truck
64 Parts, 1 Minifigure, 1988
Catalog: Sets: Town: Classic Town: Fire |
| 9155-1 (Inv) | Circus
60 Parts, 6 Minifigures, 1988
Catalog: Sets: Educational & Dacta: DUPLO |
| 6642-1 (Inv) | Police Helicopter
59 Parts, 1 Minifigure, 1988
Catalog: Sets: Town: Classic Town: Police |
| 6848-1 (Inv) | Strategic Pursuer
56 Parts, 1 Minifigure, 1988
Catalog: Sets: Space: Futuron |
| 3646-1 (Inv) | Kitchen
53 Parts, 2 Minifigures, 1988
Catalog: Sets: Fabuland |
| 1544-1 (Inv) | Medium Bucket
53 Parts, 2 Minifigures, 1988
Catalog: Sets: DUPLO: Basic Set |
| 6828-1 (Inv) | Twin-Winged Spoiler
50 Parts, 1 Minifigure, 1988
Catalog: Sets: Space: Futuron |
| 6921-1 (Inv) | Monorail Accessory Track
46 Parts, 1988
Catalog: Sets: Space: Supplemental |
| 2701-1 (Inv) | Express
44 Parts, 2 Minifigures, 1988
Catalog: Sets: DUPLO: DUPLO, Train |
| 1623-1 (Inv) | Small Bucket
43 Parts, 1988
Catalog: Sets: DUPLO: Basic Set |
| 1514-1 (Inv) | Basic Building Set Trial Size
42 Parts, 1988
Catalog: Sets: Universal Building Set: Basic |
| 6524-1 (Inv) | Blizzard Blazer
42 Parts, 1 Minifigure, 1988
Catalog: Sets: Town: Classic Town: Traffic |
| 6316-1 (Inv) | Flags and Fences
38 Parts, 1988
Catalog: Sets: Town: Classic Town: Supplemental |
| 2720-1 (Inv) | Cargo Center
32 Parts, 1 Minifigure, 1988
Catalog: Sets: DUPLO: DUPLO, Town: Cargo |