These chunky wooden Stacking Blocks are a great introduction to puzzling fun for pre-schoolers, helping them to learn as they build a colourful picture. The nine different cubes create four different images. Each wooden block is generously sized to make it easy for little hands to lift, grasp, examine and replace. This wonderful puzzle also seconds as an attractive room decoration. Made from high quality, responsibly sourced materials. Conforms to current European safety standards.