This amazing toy is an ideal tool for teaching a child how to classify objects by category - the beginning of conceptual thinking- and as a result logical/mathematical intelligence are developed. Consists of a 4 basic tiles printed on both sides featuring 8 categories and 80 wooden object tiles to sort by class. The child can start with one or two categories and work up to sorting 4categories at the same time. Answers are easily checked by removing sorted tiles from each compartment and comparing them to the category guide card. Made of high quality natural wood with non-toxic paints conforming to European toy safety standards.