You'll love these durable all-wood puzzles because they are a terrific way to familiarize young children with common animals and objects while developing eye-hand coordination, fine motor skills, and critical thinking. They are pedagogically correct and age appropriate. Kids love the bright colors and the big knobs which make puzzle play easier for little hands. Knobs are constructed for extra durability. Each puzzle contains 4 pieces, measures 5 7/8'' x 19'', and is washable. Includes Dinosaurs, Simple Shapes, Pet Pals, and more! Also great for special education. Ages 3 and up.