Giant Airport (9121-1) is a Duplo and Explore LEGO set released in 1999 with 97 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Duplo and Explore sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 40 unique part types.
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Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
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Release year
1999 (27 years ago — may be retired)
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Catalog scale
97 parts listed · 40 inventory lines tracked
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Minifigures
No minifigs in inventory (brick-only or Technic set)
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Build manual
No digital manual in our catalog — check the box tab or LEGO.com
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Gray era
Pre-2004 set — may use old light/dark gray instead of bluish gray
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Shipping weight (est.)
~618 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
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Market value
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Parts in this set
40 parts · updating…
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Duplo Brick 2 x 23437 · ×3 · Red -
Duplo Brick 2 x 23437 · ×1 · Yellow -
Duplo Brick 2 x 23437 · ×3 · Green -
Duplo Brick 2 x 2 Slope 45 with Medical Console Diagnostic or Locator Print6474pr9993 · ×1 · Red -
Duplo Brick 2 x 43011 · ×2 · Blue -
Duplo Brick 2 x 4 x 2 Rounded Ends4198 · ×2 · Green -
Duplo Figure, Early, Aviator Hat Yellow, White Legs, Buttons, Airplane, Turned Down Nose Paint74509pr0001 · ×1 · Blue -
Duplo Figure, Early, Fire Helmet White, Black Legs, Fire Jacket with Zipper Print74365pr0005 · ×1 · Black -
Duplo Figure, Early, Hair Bob Black, Red Legs, Red Buttons and Gray Wrench, Glasses Print74298pr0007 · ×1 · Yellow -
Duplo Figure, Early, Hard Hat Yellow, Blue Legs, Wrench in Pocket Print74506pr0006 · ×1 · Yellow -
Duplo Hose 11L with Stud Holder and Black Hose6426c01 · ×1 · Yellow -
Duplo Hose with Yellow Nozzle and Stud Holder6425c03 · ×1 · Black -
Duplo Toolo Arm 2 x 10 with Angled Arm, with End Clip6281c01 · ×1 · Blue -
Duplo Toolo Arm 2 x 11 with Triangular Set Screw End74844 · ×3 · Blue -
Duplo Toolo Arm 2 x 12 with Triangular Set Screw at Both Ends and in the Middle6666c01 · ×1 · Blue -
Duplo Toolo Arm 2 x 6 with Triangular Screw at Both Ends6279 · ×2 · Blue -
Duplo Toolo Arm 2 x 6 with Triangular Set Screw and Clip Ends74847 · ×4 · Blue -
Duplo Toolo Arm Turning with Clip End6663c01 · ×1 · Red -
Duplo Toolo Arm Turning with Set Screw End6662c01 · ×1 · Red -
Duplo Toolo Arm with Fake Pulley and Hook6295 · ×1 · Yellow -
Duplo Toolo Brick 2 x 2 with Angled Bracket with Forks and 2 Screws6284c01 · ×4 · Red -
Duplo Toolo Brick 2 x 2 with Holes and Clip on Bottom74957 · ×3 · Yellow -
Duplo Toolo Brick 2 x 5 with 8 Side Screw Sockets, Swivel Bracket End and Clip End6288c01 · ×3 · Red -
Duplo Toolo Brick 2 x 5 with 8 Side Screw Sockets, Swivel Bracket End and Clip End6288c01 · ×1 · Blue -
Duplo Toolo Brick 2 x 8 with 10 Side Screw Sockets, Swivel Bracket End and Clip End74867 · ×1 · Blue -
Duplo Toolo Brick 2 x 8 with Curved Ends6671c01 · ×2 · Green
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Duplo Toolo Brick with Screw 2 x 2, with Angled Arm with Clip6285 · ×2 · Red -
Duplo Toolo Cabin Bottom6293 · ×3 · Yellow -
Duplo Toolo Hydro Nozzle6363 · ×2 · Yellow -
Duplo Toolo Plane Tail 4 x 3 with Angled Corners31038 · ×1 · Red -
Duplo Toolo Plate 4 x 126668 · ×1 · Yellow
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Duplo Toolo Propeller Small with Yellow Center Screw6669c01 · ×2 · Red -
Duplo Toolo Tool Screwdriver74864 · ×5 · Black -
Duplo Toolo Tool Wrench74864c02 · ×1 · Black -
Duplo Toolo Tyre / Tire6292 · ×14 · Black -
Duplo Toolo Wheel with Connector Pin6290 · ×14 · Black -
Duplo Toolo Windscreen6672 · ×2 · Trans-Light Blue
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Duplo Toolo Wing 4 x 2 Center Brick, with Two Raised 2 x 2 Wings with Cut Corners31039c01 · ×1 · Red -
Duplo Toolo Wing with Screw31037c01 · ×2 · Red -
Duplo Toolo, Propeller, 3 Blades86601 · ×1 · Red