North American Birds is a 35 piece tray puzzle part of the Habitat series from Cobble Hill. These puzzles are designed with kids in mind: the puzzle outline on the tray aids kids while the smaller pieces provide a fun challenge. Tray measures 10 x 14 . For ages 3 and up.The Habitat series includes:Arctic AdventureEastern WoodlandsExploring the SeashoreLife in the Atlantic OceanLife in the DesertLife in the PrairieNorth American BirdsNorth American OwlsRocky Mountain WildlifeThe Beaver Pond