Puzzled Glow In The Dark 3D Jigsaw Parasaurolophus Puzzle Puzzled Glow In The Dark 3D Jigsaw puzzles are fun to assemble, educational and sure to provide a rewarding challenge Each puzzle comes with THIRTY-NINE (39) pre-cut pieces and a set of easy-to-follow instructions to guide you or your child from start to glorious finish Just match up the letters on the pieces and interlock them. No glue necessary Your child will love to have this 3D sculpture lighting up their room at night Appropriate for children ages 5 and up