# LEGO 3818-1 — Bikini Bottom Undersea Party (2012)

Source: https://www.brickmissing.com/sets/3818-1-bikini-bottom-undersea-party
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

The LEGO SpongeBob SquarePants Bikini Bottom Undersea Party 3818-1 brings the underwater celebration to life with 471 pieces. SpongeBob hosts a grand gathering, featuring Patrick on the DJ turntable spinning tunes and Squidward managing the juice bar, complete with its cabinet. A highlight of the party involves SpongeBob himself catapulting the party cake at Mrs. Puff, adding a dynamic play element. The set includes SpongeBob’s distinctive house, measuring 15cm wide and 20cm tall, featuring an ejecting bed function and Gary’s bowl. Squidward’s house is also present, equipped with a music stand and art studio for creative moments. Guests can enjoy the spinning merry-go-round and a moving seesaw, expanding the interactive possibilities within this vibrant Bikini Bottom scene.

## Set facts

- Set number: 3818-1
- Name: Bikini Bottom Undersea Party
- Theme: SpongeBob SquarePants
- Released: 2012
- Pieces: 471
- Distinct part + colour lots: 169
- Build difficulty: intermediate
- Repairability: 3.0% of this set's lots are hard to replace (5 of 169 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (169 lots, 471 pieces)

Prices are the official LEGO Pick a Brick price per individual part, where LEGO publishes one.

| Qty | Part | Colour | Part no. | LEGO element ID | LEGO price each |
| ---: | --- | --- | --- | --- | --- |
| 1 | Tile Special 1 x 1 with Clip with Rounded Tips | Yellow | 12825 | 6030719 | — |
| 3 | Tile Special 1 x 1 with Clip with Rounded Tips | Light Bluish Gray | 12825 | 6030711 | — |
| 1 | Plant, Cherries | Lime | 22667 | 6087084 | €0,08 |
| 2 | Wedge Plate 3 x 6 Cut Corners | Orange | 2419 | 2419106 | — |
| 2 | Tile 1 x 4 with Groove | Dark Brown | 2431 | 6313874 | €0,12 |
| 2 | Tile Special 1 x 2 with Handle | Yellow | 2432 | 243224 | €0,11 |
| 1 | Bracket 1 x 2 - 1 x 4 [Square Corners] | Light Bluish Gray | 2436 | 4211358 | — |
| 8 | Slope Inverted 75° 2 x 1 x 3 | Orange | 2449 | 4159199 | — |
| 2 | Brick 1 x 1 x 5 with Solid Stud | Reddish Brown | 2453b | 4226966 | €0,27 |
| 1 | Brick 1 x 1 x 5 with Solid Stud | Light Bluish Gray | 2453b | 4211362 | €0,27 |
| 4 | Brick 1 x 2 x 5 with Blocked Open Studs and Bottom Stud Holder with Asymmetric Ridges | Dark Gray | 2454a | 245427 | — |
| 6 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | Black | 2654 | 4278276 | €0,07 |
| 2 | Plate Round 2 x 2 with Rounded Bottom [Boat Stud] | Trans-Clear | 2654 | 6163901 | €0,12 |
| 2 | Plate Special 2 x 2 with 2 Pin Holes | Light Bluish Gray | 2817 | 4211376 | €0,15 |
| 2 | Brick 2 x 4 | Light Bluish Gray | 3001 | 4211385 | €0,22 |
| 1 | Brick 2 x 2 | Dark Blue | 3003 | 4296785 | €0,13 |
| 1 | Brick 2 x 2 | Light Bluish Gray | 3003 | 4211387 | €0,13 |
| 8 | Brick 1 x 2 | Orange | 3004 | 4121739 | €0,11 |
| 6 | Brick 1 x 2 | Black | 3004 | 300423 | €0,11 |
| 6 | Brick 1 x 2 | Light Bluish Gray | 3004 | 4211388 | €0,11 |
| 9 | Brick 1 x 1 | Orange | 3005 | 4173805 | €0,07 |
| 2 | Brick 1 x 1 | Black | 3005 | 300523 | €0,07 |
| 3 | Brick 1 x 1 | Light Bluish Gray | 3005 | 4211389 | €0,07 |
| 2 | Brick 1 x 4 | Black | 3010 | 301023 | €0,16 |
| 4 | Brick 1 x 4 | Orange | 3010 | 4118827 | €0,16 |
| 5 | Brick 1 x 4 | Light Bluish Gray | 3010 | 4211394 | €0,16 |
| 4 | Brick 2 x 2 x 3 | Light Bluish Gray | 30145 | 4211650 | €0,42 |
| 2 | Plant, Round 1 x 1 - 3 Bamboo Leaves | Light Bluish Gray | 30176 | 6270003 | €0,24 |
| 5 | Plate 2 x 4 | Reddish Brown | 3020 | 4211186 | €0,15 |
| 2 | Plate 2 x 4 | Orange | 3020 | 4158355 | €0,15 |
| 5 | Plate 2 x 3 | Dark Bluish Gray | 3021 | 4211043 | €0,13 |
| 2 | Plate 2 x 3 | Tan | 3021 | 4118790 | €0,13 |
| 4 | Plate 2 x 2 | Red | 3022 | 302221 | €0,10 |
| 1 | Food Popsicle / Lollipop | Trans-Neon Green | 30222 | 4525855 | — |
| 8 | Plate 1 x 2 | Red | 3023 | 302321 | €0,08 |
| 6 | Plate 1 x 2 | Black | 3023 | 302323 | €0,08 |
| 1 | Plate 1 x 2 | Lime | 3023 | 4164037 | €0,08 |
| 1 | Plate 1 x 1 | White | 3024 | 302401 | €0,06 |
| 5 | Plate 4 x 6 | Tan | 3032 | 4114001 | €0,41 |
| 1 | Plate 6 x 10 | Tan | 3033 | 4624185 | €0,71 |
| 1 | Plate 2 x 8 | Dark Bluish Gray | 3034 | 4210997 | €0,29 |
| 1 | Plate 4 x 8 | Dark Bluish Gray | 3035 | 4211061 | €0,46 |
| 4 | Plate Round Corner 3 x 3 | Red | 30357 | 4178428 | €0,17 |
| 2 | Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder | Yellow | 30367b | 4185784 | — |
| 2 | Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder | Red | 30367b | 4185891 | — |
| 1 | Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder | Black | 30367b | 4158779 | — |
| 1 | Bar 4L (Lightsaber Blade / Wand) | Black | 30374 | 6116604 | €0,05 |
| 2 | Bar 4L (Lightsaber Blade / Wand) | White | 30374 | 6116602 | €0,05 |
| 2 | Slope 45? 2 x 2 | Orange | 3039 | 4118828 | €0,11 |
| 2 | Slope 45° 2 x 1 with Bottom Pin | Light Bluish Gray | 3040b | 4211614 | €0,10 |
| 10 | Slope 45° 2 x 1 Triple with Ovoid Bottom Pin | Orange | 3048c | 4540238 | — |
| 1 | Hinge Cylinder 1 x 2 Locking with 1 Finger and Axle Hole On Ends | Black | 30552 | 4158848 | — |
| 2 | Brick Round 1 x 1 Open Stud | Black | 3062b | 306223 | €0,06 |
| 3 | Brick Round 1 x 1 Open Stud | Tan | 3062b | 4117070 | €0,06 |
| 2 | Tile 2 x 2 with Groove | Reddish Brown | 3068b | 4271949 | €0,07 |
| 3 | Tile 2 x 2 with Groove | Orange | 3068b | 4542142 | €0,07 |
| 2 | Tile 2 x 2 with Groove | White | 3068b | 306801 | €0,07 |
| 2 | Tile 1 x 2 with Groove | Light Bluish Gray | 3069b | 4211414 | €0,07 |
| 7 | Tile 1 x 2 with Groove | Medium Blue | 3069b | 4168345 | €0,07 |
| 1 | Tile 1 x 2 with Groove | Black | 3069b | 306923 | €0,07 |
| 1 | Tile 1 x 2 with Stylised Computer Console Print | Light Bluish Gray | 3069bpr0086 | 4212363 | €0,23 |
| 2 | Plate Special 1 x 2 with Door Rail | Light Bluish Gray | 32028 | 4211568 | €0,05 |
| 2 | Technic Axle 2 Notched | Black | 32062 | 4109810 | €0,07 |
| 1 | Technic Beam 1 x 5 Thick | White | 32316 | 4249021 | €0,19 |
| 6 | Brick 1 x 2 x 2 with Inside Stud Holder | Light Bluish Gray | 3245c | 4211564 | €0,13 |
| 2 | Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top] | Black | 32530 | 4144024 | €0,13 |
| 1 | Technic Pin Long without Friction Ridges | Tan | 32556 | — | — |
| 1 | Brick Arch 1 x 8 x 2 | Dark Bluish Gray | 3308 | 4220973 | — |
| 2 | Plant, Carrot Top | Bright Green | 33183 | 4119479 | €0,07 |
| 2 | Brick 1 x 3 | Orange | 3622 | 4118787 | €0,15 |
| 2 | Brick 1 x 3 | Black | 3622 | 362223 | €0,15 |
| 1 | Brick Arch 1 x 4 | Red | 3659 | 365921 | €0,16 |
| 2 | Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] | Dark Bluish Gray | 3660 | 4211000 | €0,15 |
| 4 | Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] | Orange | 3660 | 4118829 | €0,15 |
| 2 | Slope Inverted 45° 2 x 1 | Orange | 3665 | 4121740 | — |
| 1 | Slope Inverted 45° 2 x 1 | Black | 3665 | 366523 | €0,11 |
| 2 | Slope Inverted 45° 2 x 1 | Dark Bluish Gray | 3665 | 4211096 | €0,11 |
| 4 | Plate 1 x 6 | Orange | 3666 | 4173332 | €0,17 |
| 2 | Plate 1 x 6 | Red | 3666 | 366621 | €0,17 |
| 2 | Technic Pin without Friction Ridges Lengthwise | Light Bluish Gray | 3673 | 4211807 | €0,05 |
| 6 | Slope 65° 2 x 2 x 2 with Bottom Tube | Light Bluish Gray | 3678b | 4234535 | €0,22 |
| 2 | Turntable 2 x 2 Plate - Top | Light Bluish Gray | 3679 | 4540203 | €0,08 |
| 2 | Turntable 2 x 2 Plate, Base | Black | 3680 | 368023 | €0,11 |
| 2 | Slope 75° 2 x 2 x 3 Double Convex | Light Bluish Gray | 3685 | 4191414 | — |
| 1 | Technic Brick 1 x 2 [1 Pin Hole] | Black | 3700 | 370026 | €0,12 |
| 3 | Plate 1 x 4 | Reddish Brown | 3710 | 4211190 | €0,12 |
| 1 | Plate Special 1 x 2 with 1 Stud with Groove (Jumper) | Light Bluish Gray | 3794b | 379428 | — |
| 1 | Plate Special 1 x 2 with 1 Stud with Groove (Jumper) | Black | 3794b | 379426 | — |
| 5 | Plate 2 x 6 | Tan | 3795 | 4113993 | €0,19 |
| 2 | Plate 2 x 6 | Reddish Brown | 3795 | 4211247 | €0,19 |
| 1 | Hinge Brick 1 x 4 [Upper] | Black | 3830 | 383023 | — |
| 4 | Hinge Brick 1 x 4 [Upper] | Red | 3830 | 383021 | — |
| 1 | Hinge Brick 1 x 4 [Lower] | Black | 3831 | 383123 | — |
| 4 | Hinge Brick 1 x 4 [Lower] | Red | 3831 | 6512257 | €0,15 |
| 1 | Plate 2 x 10 | Red | 3832 | 383221 | €0,29 |
| 2 | Equipment Cup / Mug [Plain] | Trans-Clear | 3899 | 6238856 | €0,15 |
| 2 | Hinge Brick 1 x 2 Base | Dark Bluish Gray | 3937 | 4211066 | €0,10 |
| 1 | Brick Round 2 x 2 with Axle Hole | Black | 3941 | 614323 | €0,11 |
| 1 | Cone 2 x 2 x 2, Open Stud | Black | 3942c | 6092663 | €0,22 |
| 1 | Antenna 1 x 4 with Flat Top | White | 3957b | 395701 | €0,06 |
| 1 | Dish 8 x 8 Inverted [Radar], Solid Studs, Rounded Anti-stud Underside | Orange | 3961 | 4288162 | — |
| 1 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | White | 4032a | 403201 | €0,06 |
| 1 | Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) | Reddish Brown | 4032a | 4211159 | €0,06 |
| 1 | Seat / Chair 2 x 2 with Center Sprue Mark | Black | 4079b | 407923 | €0,19 |
| 2 | Plate Special 1 x 1 with Clip Vertical [Thick U Clip] | Black | 4085c | 408523 | — |
| 1 | Plate Special 1 x 1 with Clip Vertical [Thick U Clip] | White | 4085c | 408501 | — |
| 2 | Tile Round 2 x 2 with Bottom Cross | Black | 4150 | 415026 | — |
| 2 | Slope 33° 3 x 1 | Light Bluish Gray | 4286 | 4211488 | €0,10 |
| 1 | Technic Axle Pin with Friction Ridges Lengthwise | Black | 43093 | 4206482 | €0,06 |
| 1 | Box 2 x 2 x 2 [Hollow Studs] | Red | 4345b | 4261628 | €0,33 |
| 1 | Box 2 x 2 x 2 Door with Slot | Trans-Clear | 4346 | 6247357 | €0,18 |
| 1 | Dish 3 x 3 Inverted [Radar] | Red | 43898 | 6365073 | €0,17 |
| 2 | Dish 3 x 3 Inverted [Radar] | Black | 43898 | 4180086 | — |
| 8 | Slope 75° 2 x 1 x 3 with Hollow Stud | Orange | 4460b | 4160635 | — |
| 1 | Tool Hammer / Mallet Large | Black | 4522 | 452226 | €0,10 |
| 2 | Treasure Chest Bottom with Rear Slots, with Groove | Reddish Brown | 4738b | 4211162 | — |
| 4 | Dish 2 x 2 Inverted [Radar] | Black | 4740 | 474026 | €0,05 |
| 2 | Dish 2 x 2 Inverted [Radar] with Dark Red Swirl and Medium Blue Spots Print | Bright Pink | 4740pr0016 | 4541082 | — |
| 1 | Brick Special 1 x 1 with Studs on 2 Sides | Tan | 47905 | 4213568 | €0,11 |
| 1 | Boat / Ship Wheel / Helm with Slotted Pin | Reddish Brown | 4790b | 6278548 | €0,79 |
| 5 | Plate Special 1 x 2 [Side Handle Closed Ends] | Red | 48336 | 4226876 | €0,07 |
| 1 | Panel 1 x 2 x 1 [Square Corners] | Trans-Brown | 4865a | 4200798 | — |
| 1 | Panel 1 x 2 x 1 [Rounded Corners] | Black | 4865b | 6146220 | €0,10 |
| 3 | Brick Special 1 x 2 with Studs on 2 Sides | Red | 52107 | 4569056 | €0,16 |
| 6 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Light Bluish Gray | 54200 | 4521921 | €0,06 |
| 16 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Orange | 54200 | 4504371 | €0,06 |
| 4 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Medium Blue | 54200 | 4565363 | — |
| 4 | Wedge Plate 6 x 3 Right | Orange | 54383 | 4288165 | — |
| 4 | Wedge Plate 6 x 3 Left | Orange | 54384 | 4288166 | — |
| 1 | Light Cover 1 x 1 Round with Internal Bar / Bionicle Barraki Eye | Trans-Red | 58176 | 6171762 | €0,07 |
| 1 | Cone 1 x 1 [Top Groove] | Reddish Brown | 59900 | 4529242 | €0,05 |
| 1 | Hinge Plate 1 x 2 Locking with 2 Fingers on Side, 9 Teeth | Black | 60471 | 4515340 | — |
| 1 | Plate Round 4 x 4 with Pin Hole | Dark Bluish Gray | 60474 | 4528323 | €0,17 |
| 2 | Panel 1 x 4 x 3 [Side Supports / Hollow Studs] | Orange | 60581 | 4505157 | — |
| 1 | Brick Special 1 x 1 x 3 with 2 Clips Vertical [Hollow Stud, Open O Clips] | Black | 60583b | 4539428 | — |
| 2 | Window 1 x 2 x 2 Flat Front | Reddish Brown | 60592 | 6382102 | €0,18 |
| 2 | Brick Curved 1 x 2 x 1 1/3 with Curved Top | Black | 6091 | 6347945 | €0,08 |
| 2 | Hinge Brick 2 x 2 Top Plate Thin | Black | 6134 | 4124096 | €0,15 |
| 1 | Bar 1 x 6 [Closed Studs] | White | 6140 | 4190939 | — |
| 4 | Plate Round 1 x 1 with Solid Stud | Pearl Gold | 6141 | 4523159 | €0,05 |
| 2 | Plate Round 1 x 1 with Solid Stud | Trans-Light Blue | 6141 | 6514058 | €0,05 |
| 1 | Plate Round 1 x 1 with Solid Stud | Trans-Yellow | 6141 | 6514056 | €0,05 |
| 4 | Plate Round 1 x 1 with Solid Stud | Lime | 6141 | 4183133 | €0,05 |
| 15 | Plate Round 1 x 1 with Solid Stud | Orange | 6141 | 4157103 | €0,05 |
| 2 | Plate Round 1 x 1 with Solid Stud | Black | 6141 | 614126 | €0,05 |
| 5 | Plate Round 1 x 1 with Solid Stud | Flat Silver | 6141 | 4633691 | €0,05 |
| 5 | Plant, Palm Leaf Small | Light Bluish Gray | 6148 | 6269040 | €0,36 |
| 1 | Turntable 4 x 4 Square Base, Locking | Black | 61485 | 4517986 | €0,25 |
| 4 | Bar 1 x 4 x 2 | Yellow | 6187 | 4107090 | — |
| 1 | Equipment Dish / Plate / Bowl 3 x 3 [Plain] | Bright Light Orange | 6256 | 4243920 | €0,24 |
| 2 | Tile 1 x 3 | White | 63864 | 4558168 | €0,11 |
| 1 | Door 1 x 4 x 6 Round Top with Window and Keyhole, Reinforced Edge | Reddish Brown | 64390 | 4561915 | — |
| 2 | Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3 | Dark Brown | 64644 | 4538950 | €0,07 |
| 1 | Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3 | Black | 64644 | 4538456 | €0,07 |
| 2 | Flame / Headwear Accessory Plume / Feather, Triple Point | Trans-Neon Orange | 64647 | 4540865 | — |
| 4 | Technic Brick 1 x 1 with Pin Hole | Black | 6541 | 654126 | €0,07 |
| 1 | Technic Pin with Friction Ridges Lengthwise and Towball | Black | 6628 | 4184169 | — |
| 1 | Sticker Sheet for Set 3818-1 | Unknown | 72333 | 4655091 | — |
| 8 | Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] | Red | 73983 | 6102786 | — |
| 1 | Brick Special 1 x 1 with Stud on 1 Side | Dark Bluish Gray | 87087 | 4558955 | €0,11 |
| 1 | Panel 1 x 2 x 2 [Side Supports / Hollow Studs] | Red | 87552 | 4570470 | €0,15 |
| 2 | Panel 1 x 2 x 2 with Side Supports - Hollow Studs with Porthole Blue on Orange Background Print | Trans-Clear | 87552pr0006 | 6001658 | — |
| 6 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Medium Blue | 87580 | 4581079 | — |
| 1 | Plate Special 2 x 2 with Groove and Center Stud (Jumper) | Dark Blue | 87580 | 6389696 | €0,07 |
| 12 | Plate Special 1 x 2 [Top Clip] | Red | 92280 | 4597713 | — |
| 1 | Brick Round 2 x 2 [Grill] | Tan | 92947 | 4650647 | €0,12 |
| 3 | Brick Arch 1 x 6 Raised Arch | Light Bluish Gray | 92950 | 4618874 | €0,19 |
| 2 | Brick Arch 1 x 6 Raised Arch | Black | 92950 | 4618877 | — |
| 1 | Tile Special 2 x 2 with Bar and Open Stud with Stop Ring (Flag Pole) | White | 98549 | 6170709 | €0,39 |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/3818-1-bikini-bottom-undersea-party
- Inventory data is based on official LEGO inventories via the Rebrickable catalog, updated daily.
- Part images, minifigure lists and related sets are on the set page: https://www.brickmissing.com/sets/3818-1-bikini-bottom-undersea-party