Description This item is made of solid wood with safe water-based paint, finished with no edges on the surface. It includes a wooden base with 10 posts that hold colored geometric shapes - circles, rectangles, triangles, and squares, which helps to develop kids matching, counting and shape & color recognition skills. Feature - ColorAssorted Color - Material: Wood. - Size: 11.5 * 11.5 * 12.5 cm / 7.15 * 7.15 * 4.92 inch (L * W * H). - Geometry design with bright colors, finished with snooth surface. - 4 kinds of geometries(round,triangle, square and rectangle), 12 pieces to match and stack on 4 blocks with column. - Suitable for children / baby 3 year-old and up. - Help to develop kids matching, counting and shape & color recognition skills.Package list: 1 * set of Wooden Geometric Blocks Building Stacker Shape Sorter Column Puzzle Stacking Set for Kids