Rare parts in 10440-1: Balancing & Stacking Tree

This set inventory has been obtained from LEGO Customer Services replacement parts page. It was retrieved on 19 April 2025 and contains 27 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
6519660 <h1><a href='/parts/6519660/egg-bottom-4x4x1-3-4-no-1'>EGG, BOTTOM, 4X4X1 3/4, NO.1</a></h1><div class='tags floatleft'><a href='/parts/6519660/egg-bottom-4x4x1-3-4-no-1'>6519660</a> <a href='/parts/design-5896'>5896</a> <a href='/parts/platform-Duplo'>Duplo</a> <a href='/parts/category-Animals-Nature'>Animals & Nature</a> <a href='/parts/colour-Aqua'>Aqua</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div> 1 Aqua Animals & Nature 5896 EGG, BOTTOM, 4X4X1 3/4, NO.1 1 2025 2 2025
6519716 <h1><a href='/parts/6519716/design-brick-2x4x2-no-1'>DESIGN BRICK 2X4X2, NO. 1</a></h1><div class='tags floatleft'><a href='/parts/6519716/design-brick-2x4x2-no-1'>6519716</a> <a href='/parts/design-79784'>79784</a> <a href='/parts/platform-Duplo'>Duplo</a> <a href='/parts/category-Miscellaneous'>Miscellaneous</a> <a href='/parts/colour-Bright-Green'>Bright Green</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div> 1 Bright Green Miscellaneous 79784 DESIGN BRICK 2X4X2, NO. 1 1 2025 5 2022
6519657 <h1><a href='/parts/6519657/egg-top-4x4x2-1-2-no-1'>EGG, TOP, 4X4X2 1/2, NO.1</a></h1><div class='tags floatleft'><a href='/parts/6519657/egg-top-4x4x2-1-2-no-1'>6519657</a> <a href='/parts/design-5895'>5895</a> <a href='/parts/platform-Duplo'>Duplo</a> <a href='/parts/category-Animals-Nature'>Animals & Nature</a> <a href='/parts/colour-Bright-Red'>Bright Red</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div> 1 Bright Red Animals & Nature 5895 EGG, TOP, 4X4X2 1/2, NO.1 1 2025 2 2025
6522022 <h1><a href='/parts/6522022/brick-2x2x2-rad-15-no-13'>BRICK 2X2X2, RAD. 15, NO. 13</a></h1><div class='tags floatleft'><a href='/parts/6522022/brick-2x2x2-rad-15-no-13'>6522022</a> <a href='/parts/design-110620'>110620</a> <a href='/parts/platform-Duplo'>Duplo</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Bright-Red'>Bright Red</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div> 1 Bright Red Bricks 110620 BRICK 2X2X2, RAD. 15, NO. 13 1 2025 1 2025
6522024 <h1><a href='/parts/6522024/brick-2x2x2-rad-15-no-15'>BRICK 2X2X2, RAD. 15, NO. 15</a></h1><div class='tags floatleft'><a href='/parts/6522024/brick-2x2x2-rad-15-no-15'>6522024</a> <a href='/parts/design-110622'>110622</a> <a href='/parts/platform-Duplo'>Duplo</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Cool-Yellow'>Cool Yellow</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div> 1 Cool Yellow Bricks 110622 BRICK 2X2X2, RAD. 15, NO. 15 1 2025 1 2025
6519658 <h1><a href='/parts/6519658/egg-top-4x4x2-1-2-no-1'>EGG, TOP, 4X4X2 1/2, NO.1</a></h1><div class='tags floatleft'><a href='/parts/6519658/egg-top-4x4x2-1-2-no-1'>6519658</a> <a href='/parts/design-5895'>5895</a> <a href='/parts/platform-Duplo'>Duplo</a> <a href='/parts/category-Animals-Nature'>Animals & Nature</a> <a href='/parts/colour-Medium-Azur'>Medium Azur</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div> 1 Medium Azur Animals & Nature 5895 EGG, TOP, 4X4X2 1/2, NO.1 1 2025 2 2025
6522023 <h1><a href='/parts/6522023/brick-2x2x2-rad-15-no-14'>BRICK 2X2X2, RAD. 15, NO. 14</a></h1><div class='tags floatleft'><a href='/parts/6522023/brick-2x2x2-rad-15-no-14'>6522023</a> <a href='/parts/design-110621'>110621</a> <a href='/parts/platform-Duplo'>Duplo</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Medium-Azur'>Medium Azur</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div> 1 Medium Azur Bricks 110621 BRICK 2X2X2, RAD. 15, NO. 14 1 2025 1 2025
6519715 <h1><a href='/parts/6519715/castle-window'>CASTLE WINDOW</a></h1><div class='tags floatleft'><a href='/parts/6519715/castle-window'>6519715</a> <a href='/parts/design-16598'>16598</a> <a href='/parts/platform-Duplo'>Duplo</a> <a href='/parts/category-Buildings-Furniture'>Buildings & Furniture</a> <a href='/parts/colour-Medium-Nougat'>Medium Nougat</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div> 1 Medium Nougat Buildings & Furniture 16598 CASTLE WINDOW 1 2025 14 2014
6519717 <h1><a href='/parts/6519717/brick-4x12x2-inverted-bow'>BRICK 4X12X2, INVERTED BOW</a></h1><div class='tags floatleft'><a href='/parts/6519717/brick-4x12x2-inverted-bow'>6519717</a> <a href='/parts/design-39927'>39927</a> <a href='/parts/platform-Duplo'>Duplo</a> <a href='/parts/category-Miscellaneous'>Miscellaneous</a> <a href='/parts/colour-Medium-Nougat'>Medium Nougat</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div> 1 Medium Nougat Miscellaneous 39927 BRICK 4X12X2, INVERTED BOW 1 2025 3 2019
6527917 <h1><a href='/parts/6527917/wooden-lid'>WOODEN LID</a></h1><div class='tags floatleft'><a href='/parts/6527917/wooden-lid'>6527917</a> <a href='/parts/design-98459'>98459</a> <a href='/parts/platform-Duplo'>Duplo</a> <a href='/parts/category-Buildings-Furniture'>Buildings & Furniture</a> <a href='/parts/colour-Medium-Nougat'>Medium Nougat</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div> 2 Medium Nougat Buildings & Furniture 98459 WOODEN LID 2 2025 40 2010
6523037 <h1><a href='/parts/6523037/duplo-brick-2x4'>DUPLO BRICK 2X4</a></h1><div class='tags floatleft'><a href='/parts/6523037/duplo-brick-2x4'>6523037</a> <a href='/parts/design-3011'>3011</a> <a href='/parts/platform-Duplo'>Duplo</a> <a href='/parts/category-Bricks'>Bricks</a> <a href='/parts/colour-Spring-Yellowish-Green'>Spring Yellowish Green</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div> 2 Spring Yellowish Green Bricks 3011 DUPLO BRICK 2X4 2 2025 1690 1989
6519659 <h1><a href='/parts/6519659/egg-bottom-4x4x1-3-4-no-1'>EGG, BOTTOM, 4X4X1 3/4, NO.1</a></h1><div class='tags floatleft'><a href='/parts/6519659/egg-bottom-4x4x1-3-4-no-1'>6519659</a> <a href='/parts/design-5896'>5896</a> <a href='/parts/platform-Duplo'>Duplo</a> <a href='/parts/category-Animals-Nature'>Animals & Nature</a> <a href='/parts/colour-Vibrant-Coral'>Vibrant Coral</a> <a href='/parts/year-2025'>2025</a></div><div class='floatright'>©2025 LEGO Group</div> 1 Vibrant Coral Animals & Nature 5896 EGG, BOTTOM, 4X4X1 3/4, NO.1 1 2025 2 2025