All pieces precision cut from 1/4" thick hardwoods that may include Mahogany, Oak, Cherry, Maple, & others.Look for an Eagle, BlueJay, Cardinal, Owl, Chickadee, Mockingbird, Duck, Grouse, Egret, Hummingbird, Red Bellied Woodpecker, and Robin.The puzzle is both artistic & extremely challenging to solve. Comes with base and cover. Measures about 7" x 7" in the cover.