Birgitt Carstens, Simone Maaßen, Annette Neubauer, Christiane Wittenburg Riddle Dwarves Collective Exercise Books » All My Concentration-Exercises « Illustrated by Kristin Labuch 4+, June 2006 128 pages, 18.5 x 25.5 cm ISBN 978-3-7855-5844-7 soft cover 7,50 € (D)

Painting, puzzling, learning: children will learn about different shapes and patterns, numbers and quantities, colours, logical coherence and so much more in this Learning Games Series for preschool children.