The Melissa and Doug Dinosaur Jigsaw Puzzles in a Box features 4 wooden puzzles: a Triceratops, Apatosaurus, Stegosaurus,and T-Rex.  This set of dinosaur puzzles for kids is made up of 12-piece puzzles that display colourful artwork. Puzzle play promotes the development of fine motor skills, problem-solving abilities, and hand-eye coordination. Our puzzle set makes a great gift for kids ages 3 to 6 years. Add the Melissa & Doug Vehicles 4-in-1 Wooden Jigsaw Puzzle to round out the puzzle play experience and give kids another engaging option for screen-free fun.