If your kiddo is bored on the next rainy day, whip out one of these Under the Sea and Rainforest Cardboard Floor Puzzles from Melissa and Doug. Each puzzle has 100 pieces to keep them entertained for hours. The sturdy pieces have an easy-clean coating so you can wipe up spills in a snap, and each puzzle is filled with vibrant colors and intricate details that your child will love to look at. Gender: unisex. Age Group: kids.