Set Facts
- The LEGO DUPLO Disney Ariel's Magical Underwater Palace set features characters Ariel, Fernie, and Sebastian.
- The set includes a buildable undersea castle, a dancefloor with a spinning feature, and a movable swing.
- It's inspired by scenes from the Disney Junior TV show Ariel.
Regional Retail Prices (LEGO.com/Store)
Ariel's Magical Underwater Palace Reviews
BrickEconomy Member Review
“Ariel’s Magical Underwater Palace offers a bright, well-composed DUPLO build with a clear architectural focus, using coral shapes, pearlized elements, and layered wall sections to create a visually engaging underwater structure. The large, molded figures of Ariel, Sebastian, and Fernie are nicely detailed and integrate cleanly into the layout, reinforcing the theme without overwhelming the build.”
About Duplo Ariel

LEGO Duplo has featured sets based on Ariel from Disney's "The Little Mermaid," designed for younger children. These sets include larger bricks and simpler builds suitable for ages 2 and up. Notable sets include 10515 Ariel's Undersea Castle and 10922 Ariel's Underwater Symphony. These sets allow toddlers to recreate scenes from the movie with characters like Ariel, Flounder, and Sebastian, promoting imaginative play and early building skills.
Summary
Duplo Ariel Ariel's Magical Underwater Palace set 10435 was released in June 2024, retailing for $80, but has since been retired. New, unopened Ariel's Magical Underwater Palace sets are valued at $98, while used sets can be found for $81.
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Immerse fans of Disneys The Little Mermaid in a world of undersea fun with the LEGO DUPLO Disney Ariels Magical Underwater Palace (10435) building toy for preschool kids. Toddlers aged 2+ use their logical thinking and self-expression to recreate scenes from the Disney Junior TV show Ariel.
Toddlers help the Disney Princess Ariel LEGO DUPLO figure to get ready in her bedroom. She then hits the dancefloor, with Fernie and Sebastian playing musical instruments. These are just some of many accessories that inspire toddlers to invent stories about Ariel and her friends. By role-playing the characters, toddlers explore how to build relationships. This buildable educational toy also develops dexterity as toddlers spin the dancefloor and push the movable swing.
Ariels undersea buildable castle toy also helps preschool kids practice fine motor skills and hand-eye coordination as they assemble this sets building bricks in their own creative way to make a display piece theyll be...
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