The series of diaries from the company Djeco came to keep the secrets of young and old safe. In addition to the beautifully illustrated diary the package includes a lock with two keys and a pen with invisible ink, which appears only when we use the lens at the top. Suitable for children 5 years and older. Designed by Owen Davey. Calendar dimensions: 19 x 15 x 1cm. Product made of FSC certified material (mixture of FSC certified forest materials, recycled materials and / or FSC controlled wood)