An underwater adventure inspired by music for Troll fans! Kids will love playing their favorite movie scenes with the LEGO techno-reef dance party® Trolls World Tour (41250). They can create the toy DJ booth and stage, then put the mermaid on the heart-shaped reef to see it turn. There's even a cool felt heart and a slide for the mermaid and her octopus buddy. Collectible toys and creative gifts Do you know a child who loves imaginative play? This Trolls set is a great gift. And any child who likes Trolls figurines or mermaids will love the LEGO mermaid figure. Open an Imaginative Game World Kids will love building this cool set before recreating favorite scenes from the history of the Trolls World Tour. With collectible toy accessories, figurines and fun hairstyles, these children's construction kits bring the Troll universe to life. There are even removable Troll hair to which children can add nice accessories. Plus Instructions offers zoom and rotation tools to give kids even more fun.