With this Frozen diary, you can be 100% sure your secrets are safe. They're not only locked away by the heart-shaped lock, but you can also write them down with the special secret writing pen! What you write is invisible and can only be read by the light of the special pen. You can share all your secrets and dreams with Elsa! Contents: 1 Frozen diary with lock and key, 1 secret writing pen with light. Dimensions: 20 x 25 centimeters. Suitable for children ages 3 and up.