This monochromatic set of arches is a black-and-white version of our bestselling Wooden Rainbow Tunnel. An open-ended and versatile stacking toy, these 12 nesting tunnel pieces can be played with in so many ways. Children can build bridges and tunnels for toy cars, make cozy houses and hideaways for small dolls and figures, or even assemble curvy ball and marble tracks. All 12 arch pieces have been cut from a single tree trunk, ensuring that they nest and stack perfectly together. The black pieces are dyed with water-based dyes and the white pieces are treated with a plant-based oil treatment—all child safe. Variations in wood grain, color, knots, texture are natural occurrences in these hand-stained wooden toys. No two tunnel sets are exactly alike! This high quality wooden toy from Grimm's Spiel & Holz of Germany will be enjoyed for many years by babies, toddlers and preschoolers, and is a beautiful decorative object for your home. Safety-tested to conform to the strictest EU standards. A Note About Grimm's Wooden Toys: Wood is a natural material and as such, has various unique markings. Variations in wood grain, color, knots, texture or dye transfer are all natural occurrences in these hand-stained wooden products. These unique variations and markings are proof of quality, not defects. Enjoy the markings that make your Grimm’s toy unique!