Bikini Bottom Undersea Party
3818-1
Released: 2012 · Parts: 471 · Theme: SpongeBob SquarePants
Bikini Bottom Undersea Party (3818-1) is a SpongeBob SquarePants LEGO set released in 2012 with 471 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing SpongeBob SquarePants 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 169 unique part types.
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Building instructions
Official LEGO instructions — read on BrickID
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Minifigures in Bikini Bottom Undersea Party
Parts in this set
169 parts · page 1 of 4 · updating…
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Antenna 1 x 4 with Flat Top3957b · ×1 · White -
Bar 1 x 4 x 26187 · ×4 · Yellow -
Bar 1 x 6 [Closed Studs]6140 · ×1 · White -
Bar 4L (Lightsaber Blade / Wand)30374 · ×1 · Black -
Bar 4L (Lightsaber Blade / Wand)30374 · ×2 · White -
Boat / Ship Wheel / Helm with Slotted Pin4790b · ×1 · Reddish Brown -
Box 2 x 2 x 2 [Hollow Studs]4345b · ×1 · Red -
Box 2 x 2 x 2 Door with Slot4346 · ×1 · Trans-Clear -
Bracket 1 x 2 - 1 x 4 [Square Corners]2436 · ×1 · Light Bluish Gray -
Brick 1 x 13005 · ×9 · Orange -
Brick 1 x 13005 · ×3 · Light Bluish Gray -
Brick 1 x 13005 · ×2 · Blue -
Brick 1 x 1 x 5 with Solid Stud2453b · ×2 · Reddish Brown -
Brick 1 x 1 x 5 with Solid Stud2453b · ×1 · Light Bluish Gray -
Brick 1 x 23004 · ×8 · Orange -
Brick 1 x 23004 · ×6 · Light Bluish Gray -
Brick 1 x 23004 · ×6 · Blue -
Brick 1 x 2 x 2 with Inside Stud Holder3245c · ×6 · Light Bluish Gray -
Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Asymmetric Ridges2454a · ×4 · Dark Bluish Gray -
Brick 1 x 33622 · ×2 · Blue -
Brick 1 x 33622 · ×2 · Orange -
Brick 1 x 43010 · ×4 · Orange -
Brick 1 x 43010 · ×5 · Light Bluish Gray -
Brick 1 x 43010 · ×2 · Blue -
Brick 2 x 23003 · ×1 · Dark Blue -
Brick 2 x 23003 · ×1 · Light Bluish Gray -
Brick 2 x 2 x 330145 · ×4 · Light Bluish Gray -
Brick 2 x 43001 · ×2 · Light Bluish Gray -
Brick Arch 1 x 43659 · ×1 · Red -
Brick Arch 1 x 6 Raised Arch92950 · ×2 · Blue -
Brick Arch 1 x 6 Raised Arch92950 · ×3 · Light Bluish Gray -
Brick Arch 1 x 8 x 23308 · ×1 · Dark Bluish Gray -
Brick Curved 1 x 2 x 1 1/3 with Curved Top6091 · ×2 · Blue -
Brick Round 1 x 1 Open Stud3062b · ×3 · Tan -
Brick Round 1 x 1 Open Stud3062b · ×2 · Blue -
Brick Round 2 x 2 [Grill]92947 · ×1 · Tan -
Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder30367b · ×1 · Dark Green -
Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder30367b · ×2 · Red -
Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder30367b · ×2 · Yellow -
Brick Round 2 x 2 with Axle Hole3941 · ×1 · Blue -
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×16 · Orange -
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×6 · Light Bluish Gray -
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×4 · Medium Blue -
Brick Sloped 33° 3 x 14286 · ×2 · Light Bluish Gray -
Brick Sloped 45° 2 x 1 Triple with Ovoid Bottom Pin3048c · ×10 · Orange -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×2 · Light Bluish Gray -
Brick Sloped 45° 2 x 23039 · ×2 · Orange -
Brick Sloped 65° 2 x 2 x 2 with Bottom Tube3678b · ×6 · Light Bluish Gray