Based on the user reviews of the app "Puzzle Jigsaw - Dinosaur, Social Studies for 1st Grade", here are three cons and three pros: Cons: 1. Limited content variety, users wish for more dinosaur and social studies puzzles. 2. Technical issues, some users experience crashes and slow loading times. 3. No offline access, users can't play without an internet connection. Pros: 1. Engaging and educational, users praise the app for its interactive and fun learning experience. 2. Colorful and visually appealing, users love the app's bright and kid-friendly graphics. 3. Easy to use, even for younger children, users appreciate the app's intuitive interface and simple navigation. Please note that these points are based on a selection of user reviews and may not reflect the opinions of all users.