Help crawlers become bipeds! The varied terrain of our Woodscapes blocks provide challenging fun and encouragement to help first-movers build their mobility, coordination and confidence through exploration and play. The carpeting material is 100% BCF blue olefin fiber (synthetic, CPSIA compliant) that is renowned for its strength, colorfastness, comfort and resistance to stain, mildew, abrasion and fading from sunlight. The Step is constructed in beautiful, durable birch plywood in safe, non-toxic natural UV finish that won't yellow with age and withstands rigorous use. All edges are rounded over and sanded smooth for safety. Made in USA. GreenGuardâ„¢ Gold certified. Lifetime Warranty.