Piece by piece. This set of 6 different puzzles will keep children happily occupied. The educational toy improves fine motor skills and develops basic skills such as patience, shape recognition, and problem solving. The puzzles are beautifully illustrated with a farm theme and consist of 3, 4, or 5 pieces. Each piece is made of sturdy cardboard and has the perfect shape and size for small hands. Designed for 2 years and older.