A music-inspired underwater adventure for Trolls fans! Kids will love playing out their favorite movie scenes with the LEGO® Trolls World Tour Techno Reef Dance Party (41250). They can create the toy DJ booth and stage then put the mermaid on the heart-shaped reef to see her spin. There's even a cool felt heart and a slide for the mermaid and her octopus pal to enjoy. Collectible toys and creative gifts Know a child who loves imaginative play? This Trolls set makes a great gift. And any child who loves Trolls figures or mermaids will adore the mermaid LEGO minifigure. Open a world of imaginative play Kids will love building this cool set before recreating favorite scenes from the Trolls World Tour story. With collectible toy accessories, figures and fun hair features, these building kits for kids bring the Trolls universe to life. There's even removable Troll hair to which kids can add the cute accessories. Instructions PLUS features zoom and rotate tools to give kids even more fun.