LEGO 3818 Bikini Bottom Undersea Party is a SpongeBob SquarePants set valued at $300 for new and sealed sets, up 501% from an original retail price of $49.99. The set retired in November 2013 with annual appreciation averaging 9.37% since. On the used market, values range from $106 to $142 based on condition. Secondary market prices for new and sealed sets typically fall between $293 and $415. With more copies listed for sale and growth lagging similar retired sets, the market for it is easing.

Bikini Bottom Undersea Party Value (New/Sealed)

This chart represents the current new/sealed value of the set Bikini Bottom Undersea Party since November 2016. Very high accuracy
LEGO 3818 Bikini Bottom Undersea Party is a SpongeBob SquarePants set released in 2012, containing 471 pieces and 4 minifigures. It includes minifigures of SpongeBob, Patrick, Squidward, and Mrs. Puff, plus a Gary figure. The build assembles SpongeBob’s and Squidward’s houses, with features such as SpongeBob’s ejecting bed and Gary’s bowl, and Squidward’s music stand and art studio. Additional party elements include a DJ table with speakers, a merry-go-round, a seesaw, a juice bar, and a cake catapult.

Bikini Bottom Undersea Party has climbed about 9.4% a year since retirement and is worth around $300 sealed. If the forecast is right, it keeps going, to about $470 in five years. The average used price is $119 for those in good overall condition. New and sealed listings currently range from $316 to $421. The 4 included minifigs account for approximately 37% of the set's total value. The set was available for 23 months, from December 2011 to November 2013.
Collector and Investor Standing
The SpongeBob SquarePants line has a particular pull for collectors here: the whole party crew comes in outfits found in no other set. Squidward wears a pink lei behind the juice bar, while SpongeBob catapults cake at Mrs. Puff. The undersea party also trades often, giving investors plenty to watch.
69/100
Collector
Wanted more than most
Squidward's pink lei is exclusive to this party
87/100
Investor
Among the strongest
The undersea party trades often

For Sale (New/Sealed)

(US) SpongeBob 3818 Bikini Bottom Undersea Party Set New Other 2012
BrickEconomy Choice
$180.99
(US) SpongeBob SquarePants: Bikini Bottom Undersea Party (3818) $275.00
-8.4%
(DE) 3818 SpongeBob SquarePants Bikini Bottom Undersea Party $296.60
-1.2%
(US) Bikini Bottom Undersea Party from BrickLink seller TheBrickGuys $270.75
-9.8%
(US) SpongeBob SquarePants: Bikini Bottom Undersea Party (3818) Brand New/Sealed $299.00
-0.4%
(US) SpongeBob SquarePants: Bikini Bottom Undersea Party (3818) New Sealed $324.99
+8.3%
(US) SpongeBob SquarePants: Bikini Bottom Undersea Party (3818) Brand New/Sealed $334.97
+11.6%
(US) SpongeBob SquarePants: Bikini Bottom Undersea Party (3818) $349.00
+16.3%
(CA) SPONGEBOB, 3818, Bikini Bottom Undersea Party, New Sealed $385.42
+28.4%
(KR) 3818 SpongeBob Bikini Bottom Undersea Party 471pcs SEALED $395.99
+31.9%
(US) New Sealed Rare Lego 3818 SpongeBob SquarePants Bikini Bottom Undersea Party $399.95
+33.2%
(US) Bikini Bottom Undersea Party from BrickLink seller jonsogel2fun $400.00
+33.2%
(KR) 3818 SpongeBob Bikini Bottom Undersea Party 471pcs Factory-Sealed $411.99
+37.2%
(US) 3818 SpongeBob SquarePants: Bikini Bottom Undersea Party Hard to Find NEW $438.00
+45.9%
Picked for your regionShow 1 more listing

Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 3818 Bikini Bottom Undersea Party.

Sale Trends

This chart shows the sales trends of new/sealed 3818 Bikini Bottom Undersea Party.

Market Momentum

Bearish
Listings for 3818 Bikini Bottom Undersea Party are up, and the set's value has eased over the last three months. It is growing slower than similar retired SpongeBob SquarePants sets, though its minifigures have climbed in price recently.
DemandBottom 25% in SpongeBob SquarePants
High demand
12 months agoToday
SupplyMore than most in SpongeBob SquarePants
Listings up 11% this month
12 months agoToday
Growth vs peers+18% typical for SpongeBob SquarePants
-20% over the past year
12 months agoToday
Outlook:57% bearish·31% neutral·12% bullish
Why it's moving, signals and outlook

Bikini Bottom Undersea Party Minifigs

Bikini Bottom Undersea Party contains 4 minifigures. All 4 minifigs are exclusive to this set.

Sets in SpongeBob SquarePants

3827 Adventures in Bikini Bottom

Year 2006
Pieces / Minifigs 579 / 3
Availability Retired
3827 LEGO SpongeBob SquarePants Adventures in Bikini Bottom
Retail $39.99
Value $383.23
Growth  +858.3%
Annual growth 8.1%

3826 Build-A-Bob

Year 2006
Pieces / Minifigs 445 / 1
Availability Retired
3826 LEGO SpongeBob SquarePants Build-A-Bob
Retail $29.99
Value $437.17
Growth  +1357.7%
Annual growth 8.7%

3834 Good Neighbours at Bikini Bottom

Year 2009
Pieces / Minifigs 425 / 3
Availability Retired
3834 LEGO SpongeBob SquarePants Good Neighbours at Bikini Bottom
Retail $39.99
Value $259.33
Growth  +548.5%
Annual growth 9.0%

4982 Mrs. Puff's Boating School

Year 2007
Pieces / Minifigs 393 / 3
Availability Retired
4982 LEGO SpongeBob SquarePants Mrs. Puff's Boating School
Retail $49.99
Value $263.99
Growth  +428.1%
Annual growth 7.4%

4981 Chum Bucket

Year 2007
Pieces / Minifigs 337 / 3
Availability Retired
4981 LEGO SpongeBob SquarePants Chum Bucket
Retail $34.99
Value $434.37
Growth  +1141.4%
Annual growth 9.8%

3825 Krusty Krab

Year 2006
Pieces / Minifigs 295 / 3
Availability Retired
3825 LEGO SpongeBob SquarePants Krusty Krab
Retail $19.99
Value $441.37
Growth  +2108.0%
Annual growth 10.0%

3831 Rocket Ride

Year 2008
Pieces / Minifigs 279 / 3
Availability Retired
3831 LEGO SpongeBob SquarePants Rocket Ride
Retail $29.99
Value $366.33
Growth  +1121.5%
Annual growth 9.1%

3817 The Flying Dutchman

Year 2012
Pieces / Minifigs 241 / 3
Availability Retired
3817 LEGO SpongeBob SquarePants The Flying Dutchman
Retail $24.99
Value $200.71
Growth  +703.2%
Annual growth 11.2%

3832 The Emergency Room

Year 2008
Pieces / Minifigs 236 / 3
Availability Retired
3832 LEGO SpongeBob SquarePants The Emergency Room
Retail $29.99
Value $233.14
Growth  +677.4%
Annual growth 8.6%

3830 The Bikini Bottom Express

Year 2008
Pieces / Minifigs 210 / 3
Availability Retired
3830 LEGO SpongeBob SquarePants The Bikini Bottom Express
Retail $19.99
Value $200.00
Growth  +900.5%
Annual growth 9.0%

3833 Krusty Krab Adventures

Year 2009
Pieces / Minifigs 209 / 3
Availability Retired
3833 LEGO SpongeBob SquarePants Krusty Krab Adventures
Retail $24.99
Value $258.12
Growth  +932.9%
Annual growth 11.7%

3816 Glove World

Year 2011
Pieces / Minifigs 169 / 4
Availability Retired
3816 LEGO SpongeBob SquarePants Glove World
Retail $19.99
Value $178.66
Growth  +793.7%
Annual growth 11.8%

3815 Heroic Heroes of the Deep

Year 2011
Pieces / Minifigs 95 / 3
Availability Retired
3815 LEGO SpongeBob SquarePants Heroic Heroes of the Deep
Retail $14.99
Value $191.75
Growth  +1179.2%
Annual growth 12.8%

Bikini Bottom Undersea Party Questions

What is LEGO 3818 Bikini Bottom Undersea Party worth?

Today's value for a new, sealed copy of Bikini Bottom Undersea Party is $300. Sealed copies typically change hands for $293 to $415. The value has slipped 10% in the past 90 days. On the used market, expect to pay around $119.

Is LEGO 3818 Bikini Bottom Undersea Party retired?

Yes. Bikini Bottom Undersea Party retired in November 2013, having been in production for 23 months. Collectors now buy it on the secondary market, from sellers on sites like eBay and BrickLink.

How has LEGO 3818 Bikini Bottom Undersea Party performed since its release?

Since it sold for $49.99 in shops, Bikini Bottom Undersea Party has risen 501% in value, or roughly 9.4% a year on average.

What is the one-year forecast for LEGO 3818 Bikini Bottom Undersea Party?

In twelve months, Bikini Bottom Undersea Party could be worth around $338, about 13% more than today. That is the view for the year ahead. In the short term the market reads bearish. On balance, demand, supply and price point down. Like any forecast, this is an estimate.

What comes in LEGO 3818 Bikini Bottom Undersea Party?

Bikini Bottom Undersea Party has 471 pieces, about $0.11 each at retail, and 4 minifigures: Mrs. Puff, Patrick, SpongeBob and Squidward. Their combined value is about $112, about 37% of what the set is worth. Mrs. Puff is the most valuable at $51. None of them appears in any other set.

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SpongeBob is throwing a huge party and everyone is invited! While Patrick is at the turntable spinning his favorite tunes, Squidward mans the juice bar and SpongeBob is catapulting the party cake at Mrs. Puff! Includes SpongeBob's house, Squidward's house.

Includes 4 minifigures: SpongeBob, Patrick, Squidward and Mrs. Puff Features DJ table and speakers, merry-go-round, seesaw and juice bar with cabinet

Also includes Gary SpongeBob's house features bed with ejecting function and Gary's bowl Squidward's house features music stand and art studio Spin the merry-go-round! Play on the moving seesaw! Catapult the cake! SpongeBob's house measures 6" (15cm) wide and 8" (20cm) tall Squidward's house measures 3" (7cm) wide and 6" (15cm) tall.
Description provided by LEGO©