Create an interactive, large calendar by pairing this kit with a Calendar Rug, sold separately. Includes carpet squares with numbers 1 through 31, plus four special days. Each square measures 1 ft. Carpets for Kids eco-friendly patterned squares are good for the environment and safe for your kids. 100% American made and lead-free, all Carpets for Kids play rugs meet the CRI's Green Label Plus certification. Does not qualify for free shipping; shipping weight is 17 lbs. Ships directly from the manufacturer, please allow 2-4 weeks for delivery.