100 pieces · Tubes & Sets · 277 alternative builds
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Colors included
These builds use your tube colors as substitutes when the original colors are missing.
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The Little Mermaid tube turns a beloved Copenhagen landmark into a guided Plus-Plus build with ocean-ready colors.
This 100-piece set includes step-by-step instructions and a palette of peach, jade, ocean blue, navy, pastel blue, pastel purple, and mustard — ideal for tails, rocks, waves, and storytelling props.
It is one of the most searched mermaid-themed official Plus-Plus instructions, pairing fairy-tale imagination with hands-on 3D construction.
Builders get more detail room than a 70-piece tube, which makes it satisfying for kids who like character builds they can proudly keep on a shelf.
The reusable travel tube keeps all pieces organized and ready for underwater scenes, Danish sightseeing collections, and free building once the mermaid is complete.
Suggested for ages 5+
Includes:
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Jul 9, 2026
PlusPlusInstructions.com now includes every official Plus-Plus color. Explore the full color overview, track your collection, see what builds you can make, and generate alternative versions with your own colors.
Jun 26, 2026
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Jun 23, 2026
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