Find and discover with Observation Puzzles! Each puzzle comes with a poster; build on top of it or use it for hide and seek stand-alone play. Puzzles have 200 pieces and measure 24" x 15". These puzzles help develop skills in problem solving, fine motor, concentration, memory, color, shape sorting and visual reasoning. Each puzzle is made from materials that resist peeling, fading and creasing. Precision cutting assures that all pieces fit together smoothly. Recommended for ages 6 and up.