Yes, the Ducks are ideal play surfaces. The felt backing adds a bit of softness but also enough resistance for babies and toddlers to practice muscle strength. The flat-weave surface is great to play on. Wooden building-block-towers, Lego forts and marble runs all stand up straight and safe on Duck surfaces. Art projects get ideal support. Just make sure you provide proper protection if you work with sharp utensils, glue, and non-water-soluble paints and colors (such as permanent markers or standard water colors with permanently staining pigments). These can damage or permanently stain the Duck.