LEGO 3818
Bikini Bottom Undersea Party

LEGO 3818 Bikini Bottom Undersea Party box image
Set number
3818
Theme
SpongeBob SquarePants
Pieces
471 pcs
Year
2012
Used & parts
See price history & best time to buy

Prices may vary — please check each store. Links may include affiliate (advertising) links.

How many parts to go?
Can you build this from what you own?
Just pick the sets you own — see this set's completion rate and missing parts instantly.
① Tap the sets you own (pick a few)
② Or add by number (optional)

“Bikini Bottom Undersea Party” is LEGO® “SpongeBob SquarePants” theme set number 3818. Released in 2012, it has 471 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 169 types

Color split (most first)
Orange×110
Light Bluish Gray×64
Red×61
Blue×44
Black×29
Reddish Brown×22
Dark Bluish Gray×20
Tan×19
Medium Blue×17
White×13
Yellow×9
Green×8
Main parts (most used first)
54200 Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Orange · ×16
6141 Plate Round 1 x 1 with Solid Stud
Orange · ×15
92280 Plate Special 1 x 2 [Top Clip]
Red · ×12
3048c Slope 45° 2 x 1 Triple with Ovoid Bottom Pin
Orange · ×10
3005 Brick 1 x 1
Orange · ×9
2449 Slope Inverted 75° 2 x 1 x 3
Orange · ×8
3004 Brick 1 x 2
Orange · ×8
3023 Plate 1 x 2
Red · ×8
4460b Slope 75° 2 x 1 x 3 with Hollow Stud
Orange · ×8
73983 Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly]
Red · ×8
3069b Tile 1 x 2 with Groove
Medium Blue · ×7
2654 Plate Round 2 x 2 with Rounded Bottom [Boat Stud]
Blue · ×6
3004 Brick 1 x 2
Blue · ×6
3004 Brick 1 x 2
Light Bluish Gray · ×6
3023 Plate 1 x 2
Blue · ×6
3245c Brick 1 x 2 x 2 with Inside Stud Holder
Light Bluish Gray · ×6
3678b Slope 65° 2 x 2 x 2 with Bottom Tube
Light Bluish Gray · ×6
54200 Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Light Bluish Gray · ×6
87580 Plate Special 2 x 2 with Groove and Center Stud (Jumper)
Medium Blue · ×6
3010 Brick 1 x 4
Light Bluish Gray · ×5
3020 Plate 2 x 4
Reddish Brown · ×5
3021 Plate 2 x 3
Dark Bluish Gray · ×5
3032 Plate 4 x 6
Tan · ×5
3795 Plate 2 x 6
Tan · ×5

More “SpongeBob SquarePants” theme sets

Re:GO is an unofficial service and is not affiliated with the LEGO Group. LEGO® is a trademark of the LEGO Group. Data is based on Rebrickable and others.