The Dora the Explorer Nightlight Book has an attached nightlight and on-off switch and six sound buttons that children use to enhance a story about Dora the Explorer searching for Osito, her teddy bear. The book is designed for children ages 3 and older.When the switch is turned on, a light illuminates and a sound effect plays. Pressing the buttons activates one of these sounds or music clips: Dora the Explorer says ¡Vámonos! A silly musical tune A lullaby melody Perrito says arf, arf Pitter-patter of feet Music that represents the Dora the Explorer Backpack! Backpack! chantThe book s thick board pages stand up to repeated use. The Dora the Explorer Nightlight Book conforms to the specifications for toy safety of ASTM F963-08. Three replaceable long-life AG-13 button cell batteries that power the book are included.