Pros

• Allows you to design buildings and even cities.
• Easy to use
• free
• You have access to hundreds of premade items and components such as buildings and people
• Displays in 3D

Cons

• Somewhat difficult to get used to at first
• Can be frustrating when learning to use
• Making basic shapes such as a cone or sphere involve multiple steps
• Difficult to move things exactly where you want them to