Our vast selection of award-winning floor puzzles offer children the opportunity to explore the world around them. Many of our puzzles include extra activities or identification keys to help further extend a child's learning experience. All of our puzzles are printed on durable stock for years of use. In fact, they're strong enough to walk on! And they're always appropriate for children ages 3 and up. Amazing colors and far-out fish will fascinate children as they learn about these denizens of the deep. There's even a lion fish, whose poison is deadly even to humans! An identification key will help make children experts. 48 pieces. (Ages 5-7) Five feet long!