The Rhomaleosaurus Mini Puzzle from Mudpuppy features a colorful image of a Rhomaleosaurus, an extinct underwater animal from the early Jurassic period. The 48 piece puzzle measures 8 x 5.75" so it's perfect for train or airline tray tables. A two-sided insert includes a larger image of the puzzle on one side and fun facts about the Rhomaleosaurus on the other!