Twelve pre-school books for ages 3-6, cleverly designed by master educational bookmaker, Bruno Munari. Each book is 4to size, and each is held in its own plastic pocket within the heavy stock case in which all 12 books are held. All the books are in Fine to Mint condition, except for book number 2, which has a small, top-right front cover crease. All the plastic pockets, which hold the books within the cover, are in Fine condition, except the one that holds book number 5, which has a rip. In its time, this educational toy/book/learning aid broke new ground as a highly creative multi-dimensional, multi-task approach to education and learning through play. But of course, children also need to learn how to play, and that's the teacher's mission. These books are designed to stimulate interest and develop visual and mechanical skills.a bookcase full of books! The case in which the set is enclosed is in Fine condition, and the entire set is enclosed in a Fine condition cardboard box that fits the case perfectly. "Twelve little books of paper, of card, of cardboard, of transparent plastic, each with a different binding." Book materials also include cloth and wood. Information about the books is provided in Italian, English, French, and German. Additionally, a note of endorsement from spiel gut ("Good Toy") also is enclosed.