Melissa & Doug USA Map Floor Puzzle, Multicolor This Melissa & Doug 51-piece USA Map floor puzzle is a great way to introduce your little one to the states and geography of America. Sturdy wooden construction. Melissa & Doug is proudly partnering with the American Academy of Pediatrics to foster early brain development and help children build important life skills through play. Helps families embrace the three principles of healthy play: prioritize hands-on play, enjoy screen-free time and interact and connect through play 24"H x 36"W Ages 6 years & up Model no. 440 Size: One Size. Color: Multicolor. Gender: unisex. Age Group: kids.