Bikini Bottom Undersea Party

Bikini Bottom Undersea Party (3818-1) is a set in the SpongeBob SquarePants theme, released in 2012. It has 459 pieces and 4 minifigures.

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Number:3818-1
Released:January 2012
Pieces:459
Box size:48 × 28.2 × 6.1 cm
Box weight:770 g
Theme:SpongeBob SquarePants

Box size and weight as measured by Brickset.

In numbers

LEGO planned to retire this set in December 2013.

Product details

Number: 3818-1
Name: Bikini Bottom Undersea Party
Theme: SpongeBob SquarePants
Released: January 2012
Launched: January 2012
Retired: November 2013 in the United States
Pieces: 459
Minifigures: 4
RRP: ≈ 45.64 USD (64.99 CAD) (Canada)≈ 65.99 USD (49.99 GBP) (United Kingdom)49.99 USD (United States)
Price per piece: ≈ 0.099 USD (0.142 CAD) (Canada)≈ 0.144 USD (0.109 GBP) (United Kingdom)0.109 USD (United States)

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

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Recommended retail price

What LEGO published as the recommended retail price, market by market, in that market's own currency. No market's price is ever derived from another's.

Canada ≈ 45.64 USD (64.99 CAD) unknown tax basis Available 12/15/2011 to 11/29/2013.Recorded by BrickDb since 10/2/2026

United Kingdom ≈ 65.99 USD (49.99 GBP) gross Available 12/24/2011 to 10/21/2013.Recorded by BrickDb since 10/2/2026

United States 49.99 USD net Available 12/15/2011 to 11/29/2013.Recorded by BrickDb since 10/2/2026

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Building instructions

All building instructions for this set on LEGO.com

Parts in this set

183 inventory lines

Catalogue image of the part Tile Special 1 x 1 with Clip with Rounded Tips

Tile Special 1 x 1 with Clip with Rounded Tips 12825· Yellow

×1

Tile Special 1 x 1 with Clip with Rounded Tips 12825· Light Bluish Gray

×3

Catalogue image of the part Plant, Cherries

Plant, Cherries 22667· Lime

×1

Catalogue image of the part Wedge Plate 3 x 6 Cut Corners

Wedge Plate 3 x 6 Cut Corners 2419· Orange

×2

Catalogue image of the part Tile 1 x 4 with Groove

Tile 1 x 4 with Groove 2431· Dark Brown

×2

Catalogue image of the part Tile Special 1 x 2 with Handle

Tile Special 1 x 2 with Handle 2432· Yellow

×2

Catalogue image of the part Bracket 1 x 2 - 1 x 4 [Square Corners]

Bracket 1 x 2 - 1 x 4 [Square Corners] 2436· Light Bluish Gray

×1

Catalogue image of the part Brick Sloped Inverted 75° 2 x 1 x 3

Brick Sloped Inverted 75° 2 x 1 x 3 2449· Orange

×8

Catalogue image of the part Brick 1 x 1 x 5 with Solid Stud

Brick 1 x 1 x 5 with Solid Stud 2453b· Reddish Brown

×2

Brick 1 x 1 x 5 with Solid Stud 2453b· Light Bluish Gray

×1

Catalogue image of the part Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Asymmetric Ridges

Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Asymmetric Ridges 2454a· Dark Bluish Gray

×4

Catalogue image of the part Plate Round 2 x 2 with Rounded Bottom [Boat Stud]

Plate Round 2 x 2 with Rounded Bottom [Boat Stud] 2654· Blue

×6

Plate Round 2 x 2 with Rounded Bottom [Boat Stud] 2654· Trans-Clear

×2

Catalogue image of the part Plate Special 2 x 2 with 2 Pin Holes

Plate Special 2 x 2 with 2 Pin Holes 2817· Light Bluish Gray

×2

Brick 2 x 4 3001· Light Bluish Gray

×2

Brick 2 x 2 3003· Light Bluish Gray

×1

4 minifigures

Minifigures in this set

Catalogue image of the minifigure Mrs. Puff with Flower

Same theme, piece count within 15 %

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