Rare parts in 21366-1: Floating Sea Otters

This set inventory has been obtained from LEGO Customer Services replacement parts page. It was retrieved on 3 June 2026 and contains 1225 pieces.

Important note: We do not control this inventory and cannot currently make changes to it. Use it as a guide to the contents of the set, or to find out part numbers when requesting replacements.

Element Image Qty Colour Category Design Element name Element
in sets		 Element
introduced in		 Design
in sets		 Design
introduced in
6599960 <h1><a href='/parts/6599960/plate-2x2-corner-45-deg'>PLATE 2X2, CORNER, 45 DEG.</a></h1><div class='tags floatleft'><a href='/parts/6599960/plate-2x2-corner-45-deg'>6599960</a> <a href='/parts/design-26601'>26601</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Plates'>Plates</a> <a href='/parts/colour-Bright-Bluish-Green'>Bright Bluish Green</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

PLATE 2X2, CORNER, 45 DEG.

6599960 26601 System Plates Bright Bluish Green 2026
©2026 LEGO Group
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6 Bright Bluish Green Plates 26601 PLATE 2X2, CORNER, 45 DEG. 1 2026 1592 2017
6586465 <h1><a href='/parts/6586465/limb-element-small'>LIMB ELEMENT, SMALL</a></h1><div class='tags floatleft'><a href='/parts/6586465/limb-element-small'>6586465</a> <a href='/parts/design-2423'>2423</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Animals-Nature'>Animals & Nature</a> <a href='/parts/colour-Earth-Green'>Earth Green</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

LIMB ELEMENT, SMALL

6586465 2423 System Animals & Nature Earth Green 2026
©2026 LEGO Group
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11 Earth Green Animals & Nature 2423 LIMB ELEMENT, SMALL 2 2026 641 1992
6584870 <h1><a href='/parts/6584870/cherry'>CHERRY</a></h1><div class='tags floatleft'><a href='/parts/6584870/cherry'>6584870</a> <a href='/parts/design-18660'>18660</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Minifigure-Accessories'>Minifigure Accessories</a> <a href='/parts/colour-Olive-Green'>Olive Green</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

CHERRY

6584870 18660 System Minifigure Accessories Olive Green 2026
©2026 LEGO Group
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22 Olive Green Minifigure Accessories 18660 CHERRY 1 2026 257 2011
6484016 <h1><a href='/parts/6484016/brick-4x3-w-bow-angle'>BRICK 4X3 W. BOW/ANGLE</a></h1><div class='tags floatleft'><a href='/parts/6484016/brick-4x3-w-bow-angle'>6484016</a> <a href='/parts/design-64225'>64225</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Reddish-Brown'>Reddish Brown</a> <a href='/parts/year-2024'>2024</a></div><div class='floatright'>©2024 LEGO Group</div>

BRICK 4X3 W. BOW/ANGLE

6484016 64225 System Bricks Reddish Brown 2024
©2024 LEGO Group
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2 Reddish Brown Bricks 64225 BRICK 4X3 W. BOW/ANGLE 3 2024 273 2009
6574770 <h1><a href='/parts/6574770/plate-w-bow-2x2x2-3-45-deg'>PLATE W/ BOW 2X2X2/3, 45 DEG.</a></h1><div class='tags floatleft'><a href='/parts/6574770/plate-w-bow-2x2x2-3-45-deg'>6574770</a> <a href='/parts/design-66956'>66956</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Reddish-Brown'>Reddish Brown</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

PLATE W/ BOW 2X2X2/3, 45 DEG.

6574770 66956 System Bricks Reddish Brown 2026
©2026 LEGO Group
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3 Reddish Brown Bricks 66956 PLATE W/ BOW 2X2X2/3, 45 DEG. 3 2026 284 2020
6593251 <h1><a href='/parts/6593251/design-plate-2x2-no-1'>DESIGN PLATE, 2X2, NO. 1</a></h1><div class='tags floatleft'><a href='/parts/6593251/design-plate-2x2-no-1'>6593251</a> <a href='/parts/design-7037'>7037</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Miscellaneous'>Miscellaneous</a> <a href='/parts/colour-Reddish-Brown'>Reddish Brown</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

DESIGN PLATE, 2X2, NO. 1

6593251 7037 System Miscellaneous Reddish Brown 2026
©2026 LEGO Group
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4 Reddish Brown Miscellaneous 7037 DESIGN PLATE, 2X2, NO. 1 2 2026 23 2025
6593252 <h1><a href='/parts/6593252/plate-2x2x2-3-half-bow-w-cut-right'>PLATE 2X2X2/3, HALF BOW W/ CUT, RIGHT</a></h1><div class='tags floatleft'><a href='/parts/6593252/plate-2x2x2-3-half-bow-w-cut-right'>6593252</a> <a href='/parts/design-5093'>5093</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Reddish-Brown'>Reddish Brown</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

PLATE 2X2X2/3, HALF BOW W/ CUT, RIGHT

6593252 5093 System Bricks Reddish Brown 2026
©2026 LEGO Group
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4 Reddish Brown Bricks 5093 PLATE 2X2X2/3, HALF BOW W/ CUT, RIGHT 3 2026 146 2024
6593253 <h1><a href='/parts/6593253/plate-2x2x2-3-half-bow-w-cut-left'>PLATE 2X2X2/3, HALF BOW, W/ CUT, LEFT</a></h1><div class='tags floatleft'><a href='/parts/6593253/plate-2x2x2-3-half-bow-w-cut-left'>6593253</a> <a href='/parts/design-5095'>5095</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Reddish-Brown'>Reddish Brown</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

PLATE 2X2X2/3, HALF BOW, W/ CUT, LEFT

6593253 5095 System Bricks Reddish Brown 2026
©2026 LEGO Group
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4 Reddish Brown Bricks 5095 PLATE 2X2X2/3, HALF BOW, W/ CUT, LEFT 2 2026 140 2024
6587466 <h1><a href='/parts/6587466/tile-1x2-deg-45-cut-left'>TILE 1X2, DEG. 45, CUT, LEFT</a></h1><div class='tags floatleft'><a href='/parts/6587466/tile-1x2-deg-45-cut-left'>6587466</a> <a href='/parts/design-5091'>5091</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Plates'>Plates</a> <a href='/parts/colour-Transparent-Light-Blue'>Transparent Light Blue</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

TILE 1X2, DEG. 45, CUT, LEFT

6587466 5091 System Plates Transparent Light Blue 2026
©2026 LEGO Group
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4 Transparent Light Blue Plates 5091 TILE 1X2, DEG. 45, CUT, LEFT 2 2026 507 2024
6587467 <h1><a href='/parts/6587467/tile-1x2-deg-45-cut-right'>TILE 1X2, DEG. 45, CUT, RIGHT</a></h1><div class='tags floatleft'><a href='/parts/6587467/tile-1x2-deg-45-cut-right'>6587467</a> <a href='/parts/design-5092'>5092</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Plates'>Plates</a> <a href='/parts/colour-Transparent-Light-Blue'>Transparent Light Blue</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

TILE 1X2, DEG. 45, CUT, RIGHT

6587467 5092 System Plates Transparent Light Blue 2026
©2026 LEGO Group
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4 Transparent Light Blue Plates 5092 TILE 1X2, DEG. 45, CUT, RIGHT 2 2026 512 2024
6593255 <h1><a href='/parts/6593255/claws'>CLAWS</a></h1><div class='tags floatleft'><a href='/parts/6593255/claws'>6593255</a> <a href='/parts/design-10187'>10187</a> <a href='/parts/platform-System'>System</a> <a href='/parts/category-Minifigure-Accessories'>Minifigure Accessories</a> <a href='/parts/colour-White'>White</a> <a href='/parts/year-2026'>2026</a></div><div class='floatright'>©2026 LEGO Group</div>

CLAWS

6593255 10187 System Minifigure Accessories White 2026
©2026 LEGO Group
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4 White Minifigure Accessories 10187 CLAWS 1 2026 90 2012