Heart Box

Notable parts

• 3 parts appear in only a few other sets: Duplo Brick 2 x 2 x 1 1/2 with Curved Top, Boy with Cap Print (Medium Azure) — also in 10918 Tow Truck (all Duplo); Duplo Brick 2 x 2 x 2 Curved Top with Eye with Teardrop Spot Print (Yellow) — also in 30673 My First Duck, 6614208 (all Duplo); Duplo Brick 2 x 4 Curved Bottom (Dark Azure) — also in 10991 Dream Playground, 10422 3in1 Space Shuttle Adventure (all Duplo).
• 9 parts are otherwise only found in Duplo sets: Duplo Brick 2 x 2 (Coral) ×4; Duplo Brick 2 x 2 (Light Aqua) ×2; Duplo Brick 2 x 2 (Yellowish Green) ×2; Duplo Brick 2 x 3 with Curved Bottom (Light Aqua) ×2; Duplo Plate 2 x 4 (Coral) ×2; and 4 more.
• 8 existing moulds first came out in their colour in 2020, including in this set: Duplo Brick 2 x 2 (Coral) ×4; Duplo Brick 2 x 2 (Light Aqua) ×2; Duplo Brick 2 x 3 with Curved Bottom (Light Aqua) ×2; Duplo Plate 2 x 4 (Coral) ×2; Duplo Brick 2 x 4 (Bright Light Yellow); and 3 more.

Calculated from Rebrickable’s public set inventories, excluding sticker sheets and spare parts.