These are the best Melissa & Doug Puzzles for babies 8 months and up. Here I show how to introduce puzzles to babies and progress to more difficult puzzles. These puzzles are great for developing fine motor skills, hand eye coordination, wrist rotation, matching skills, and vocabulary skills. Teach babies and toddlers how to solve puzzles. These melissa & Doug Puzzles for babies-toddlers will bring alot of learning and fun to your homes and classrooms. Here is the link for the Melissa and Doug Caterpillar Toy Activities:.