Finished puzzle is 27" X 20" Puzzle pieces are made of strong, high-quality board that will not tear or break. Printed with soy-based inks. Fun, entertaining observational puzzle. 48 puzzle pieces that can be stored in sturdy box when not in use. A world of opposites! Beautifully illustrated puzzles that are the perfect companions to our best selling Above + Below series. Kids delight in the idea and possibilities of opposites. The first two themes in this new series are Hot + Cold and Night + Day. All of our puzzles conform to both USA and international safety standards and use eco-friendly materials.