This 500-piece puzzle by MasterPieces features a beautiful sea castle with hidden dolphins that glows in the dark. The puzzle comes with a bonus poster and includes features such as hidden images for an added challenge. The puzzle is made of durable cardboard and is recommended for ages 14 and above, with age levels ranging from 12 to 16 years and 17 years & up. It is a perfect gift for puzzle lovers and those who enjoy a fun and challenging activity. The puzzle was manufactured in China and falls under the categories of Toys & Hobbies, Puzzles, Contemporary Puzzles, and Jigsaw.