Based on the users' reviews of the "3D Shapes Flashcards" app, here are three cons and pros in English, with 15 words or less for each item: **Pros:** 1. Engaging visuals make learning 3D shapes fun and interactive for kids. 2. Simple and easy to use, with a clean and intuitive app design. 3. Covers a wide range of 3D shapes, from basic to advanced, for comprehensive learning. **Cons:** 1. Limited to only 300 flashcards, which may not be sufficient for some learners. 2. No option to customize or create custom flashcards, a limitation for some users. 3. Some users reported occasional crashes and freezing issues with the app. Please note that these are general summaries based on a sample of user reviews, and may not reflect the full range of opinions on the app.