The Christmas markets in Vienna have fun and creative toys for kids, like a recycled bike carousel and a remote-controlled car track. The museums always have fun activities for kids. One museum let kids paint all over the walls in one room! There are many museums in Vienna that are appropriate for kids, including the ZOOM Children's Museum, which has exhibits just for kids to explore and learn in!
People in Vienna know that it is important for kids to have fun and safe things to do, and I think that makes it a great place to be!