Doc McStuffins Doctor Kit and Sound Book is an interactive storybook and doctor tool set, recommended for children ages 18 months and older. The toy doctor tools are a reflex hammer, syringe, and thermometer. A seven-button audio module attached to the book enables kids to add voices and sound effects to a story about Doc McStuffins and his friends pretending to be in a doctor s office.Children insert the doctor tools into specified areas on the audio module, as instructed on the book s pages. The book's coated board pages resist rips, tears, and stains. The Doc McStuffins Doctor Kit and Sound Book conforms to the specifications for toy safety of ASTM F963-08. Three replaceable long-life AG-13 button cell batteries that power the sound module are included.