Easy grip knobs help children move pieces into place. This Geometric Shaped Knob Puzzle with 11 pieces is a terrific tool for color recognition, shapes, and problem solving skills. Additionally, use the pieces as outlines to drawing on paper and create new shapes and scenery. Durable child safe paint finish and solid wood construction are hallmarks of Hape toys. Hape's toys stimulate children through every stage of development and help nurture and develop their natural abilities. All Hape products sold in North America meet or exceed all applicable safety standards making every Hape toy an investment kids will love and parents can trust. Hape believes that the future begins---and belongs---to our children.