Space is the last title in a series of activity books which is a collection of texts for children which contains playing activities aimed to encourage the development of the main cognitive skills following the Montessori method and its most typical topics. The contents follow a progressive complexity to challenge the children to complete various tasks with great results all by themselves. My First Book About Space. Using the Montessori concept of nesting elements where smaller elements are contained in progressively bigger ones, the child can see the logical sequence from the Earth to the Space Exploration. A lot of stickers, at the end, will make the activities even more interactive! Ages: 5 plus