Hydro Search Sub (6180-1) is a Hydronauts LEGO set released in 1998 with 298 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Hydronauts sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 4 minifigures and 96 unique part types.
- → Read official LEGO build manuals on this page
- → Browse the full parts inventory
- → See every minifigure included in the set
- → Verify loose bricks with our free part scanner
- → Check market value for parts and minifigs
Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
-
Release year
1998 (28 years ago — may be retired)
-
Catalog scale
298 parts listed · 96 inventory lines tracked
-
Minifigures
4 in this set's inventory — verify completeness when buying used
-
Build manual
Digital booklet available on this page — use it to verify bag contents
-
Gray era
Pre-2004 set — may use old light/dark gray instead of bluish gray
-
Shipping weight (est.)
~528 g for parts inventory (excludes box/minifig packaging)
-
Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
Related sets in this theme
Market value
No estimate on BrickID yet
We don't pull live prices from marketplaces automatically — that requires paid seller API access. Check live listings below, or be the first to share a price you paid or saw.
Check live listings →Share a price you paid or saw
Help other collectors — we aggregate anonymous reports on this page.
Building instructions
Official LEGO instructions — read on BrickID
Download size:
Checking download size…
Download size unavailable
Browse the instructions on your own terms.
Minifigures in Hydro Search Sub
Parts in this set
96 parts · page 1 of 2 · updating…
-
![Box 2 x 2 x 2 [Hollow Studs]](https://cdn.rebrickable.com/media/parts/elements/4109977.jpg)
Box 2 x 2 x 2 [Hollow Studs]4345b · ×3 · Trans-Green -
Box 2 x 2 x 2 Door with Slot4346 · ×3 · Trans-Green -
Brick 1 x 13005 · ×2 · White -
Brick 1 x 23004 · ×5 · Blue -
Brick 1 x 33622 · ×4 · Red -
Brick 1 x 43010 · ×7 · Yellow -
Brick 1 x 63009 · ×5 · Black -
Brick 1 x 8 with Bottom Tubes and 3 Lowered Cross Supports3008b · ×4 · Yellow -
Brick 2 x 23003 · ×1 · Light Gray -
Brick 2 x 2 Corner2357 · ×2 · Light Gray -
Brick 2 x 33002 · ×1 · Light Gray -
Brick 2 x 43001 · ×1 · Blue -
Brick 2 x 43001 · ×6 · Yellow -
Brick 2 x 4 x 2 with Holes on Sides6061 · ×2 · Yellow -
Brick Arch 1 x 6 x 2 - Thick Top with Reinforced Underside3307 · ×2 · Yellow -
Brick Curved 1 x 2 x 1 1/3 with Curved Top6091 · ×2 · Black -
Brick Round 1 x 1 Open Stud3062b · ×6 · Trans-Green -
Brick Round 1 x 1 Open Stud3062b · ×2 · Yellow -
Brick Round 2 x 2 with Axle Hole3941 · ×3 · Light Gray -
Brick Sloped 33° 3 x 14286 · ×6 · Black -
Brick Sloped 33° 3 x 23298 · ×2 · Light Gray -
Brick Sloped 33° 3 x 2 with Divers Bubbles Print3298pr0038 · ×1 · Yellow -
Brick Sloped 45° 2 x 23039 · ×3 · Light Gray -
Brick Sloped 45° 2 x 2 with Dark Screen and Blue Controls Print (Aquazone Hydronauts)3039pr9985 · ×3 · Yellow -
Brick Sloped 45° 3 x 4 Double / 33°4861 · ×1 · Yellow -
![Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]](https://cdn.rebrickable.com/media/parts/elements/366026.jpg)
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]3660 · ×1 · Black -
Brick Special 1 x 2 with Pin2458 · ×1 · Light Gray -
Brick Special 2 x 2 with 2 Pins and Axle Hole30000 · ×1 · Dark Gray -
Brick Special Octagonal 2 x 2 x 3 1/3 with Side Studs6042 · ×11 · Yellow -
Brick Special Octagonal 2 x 3 x 1 2/3 Sloped6032 · ×2 · Yellow -
Brick Wedged 3 x 3 Facet2462 · ×2 · Black -
Brick Wedged, Sloped 3 x 3 x 2 Facet Top2463 · ×2 · Yellow -
Cockpit 6 x 6 x 3 1/3 Octagonal Canopy Base30200 · ×1 · Black -
Cone 2 x 2 x 1 2/3 Octagonal, Open Stud6039 · ×8 · Black -
Dish 2 x 2 x 2/3 Light Reflector71128 · ×2 · Chrome Silver -
Equipment Suction Cup Gun71594c01 · ×2 · Trans-Green -
Fence Lattice 1 x 4 x 13633 · ×2 · Yellow -
Hinge Brick 1 x 2 Base3937 · ×2 · Light Gray -
Hinge Panel 2 x 4 x 3 1/3 with Silver and Black Grid Print2582pr0004 · ×2 · Trans-Green -
Hinge Tile 1 x 44625 · ×4 · Light Gray -
Hinge Train Gate 2 x 42873 · ×1 · Black -
Hinge Vehicle Roof Holder 1 x 44315 · ×2 · Black -
Hose, Pneumatic 4mm D. 19L / 15.2cm5102c19 · ×2 · Light Gray -
Magnet Cylindrical73092 · ×4 · Black -
Magnet Holder 2 x 32607 · ×2 · Light Gray -
Magnet Holder Tile 2 x 2 - Tall Arms with Deep Notch2609b · ×2 · Black -
![Minifig Footwear Flipper [Thin]](https://cdn.rebrickable.com/media/parts/ldraw/0/59275a.png)
Minifig Footwear Flipper [Thin]59275 · ×6 · Black -
![Minifig Footwear Flipper [Thin]](https://cdn.rebrickable.com/media/parts/ldraw/7/59275a.png)
Minifig Footwear Flipper [Thin]59275 · ×2 · Light Gray