Voice changer for exciting detective role-playing games. Recommended for ages 8 and up. Includes a recording device with a voice changer. Share a secret message without being recognized by your voice. The instructions show how the recorder, microphone, and speaker work. Additionally required: a small Phillips screwdriver. Battery-operated: requires 2 x 1.5-volt batteries type LR03 (AAA, Micro). KOSMOS is a media company located in the heart of Stuttgart, known for its commitment to quality, creativity, and innovation since 1822. Well-known products include science kits, books, and various games. The range extends from guides, cookbooks, and children's and youth literature to board games, card games, apps, and e-books. The company aims to convey knowledge in a playful manner and foster the creativity of its customers. The Kosmos brand stands for respectful treatment of its employees and partners, as well as for reliability, transparency, and clear processes.