Giant Evolution Timeline: Book & Play Mat GET THIS SPECIAL SALE PRICE! Usually $49. Kids can jump and play along 600 million years with 67 ancient creatures! Includes Activity Guide with 18 great kid-tested activities for ages 4-10. Unfolds flat to fully 18 feet long! Durable, washable, lightweight & environmentally-friendly. Four major awards in 2009! Dr. Toy, National Parenting Center, Tilliwig and more Scientifically accurate, highly educational and fun! Perfect for home, school & homeschool.