Join Disney? Anna, Elsa and Olaf at the LEGO DUPLO Disney 10899 Frozen Ice Castle to share imaginative play and precious developmental milestones with your preschooler. As toddlers role-play with their favorite Frozen characters, they improve their language and fine motor skills, and develop social and emotional awareness. Talk about Elsa? relationship with her sister, Anna. Enjoy open-ended creative fun with Olaf the snowman. With a multicolored light brick feature illuminating the castle at the push of a button, you and your toddler will have endless enjoyment recreating scenes from the Frozen movie and dreaming up stories of your own with this sparkling, buildable educational toy for toddlers.