Baby Toys Melissa And Doug On Sale Now Include Products Melissa & Doug Dinosaur Dawn Jumbo Jigsaw Floor Puzzle (24pc, 2 x 3 feet) Cheap NJJ1554. This puzzle features dramatic dinosaurs in an exciting prehistoric scene. Its Easy-Clean surface keeps puzzle looking new. For more than 30 years, Melissa and Doug has created beautifully-designed imagination- and creativity-sparking products that NBC News called “the gold standard in early childhood play.” We design every toy to the highest-quality standards, and to nurture minds and hearts. If your child is not inspired, give us a call and we'll make it right. Our phone number is on every product! Gender: unisex.