Binding all elements of ObservableCollection to TextBlock

Question

I am trying to bind a TextBlock to items in a ObservableCollection. TextBlock values should be generated up to elements from collection. Count of elements in collection is between 0 and 7 (if it helps). MyClass implemented INotifyPropertyChanged. It should be directly TextBlock, not ListBox. How can I do it? Thanks!
Update: The problem is that I don't know previously the number of elements in collection. I know that it is better to use ListBox or ListView in this case, but it's important to make it in TextBlock or Label

For example:

1. ObservableCollection contains elements 0, 1, 2.
   TextBlock should contains following "Values: 0, 1, 2"
   

2. ObservableCollection contains elements 0, 1.
   TextBlock should contains following "Values: 0, 1"
   

   <TextBlock>
          <Run Text="Values: "/>
          <Run Text="{Binding Values}" />                 
   </TextBlock>
   

ObservableCollection<int> values = new ObservableCollection<int>();
        public ObservableCollection<int> Values
        {
            get => values;
            set
            {
                values = value;
                OnPropertyChanged();
            }
        }

Answer 1

Use a Converter that concat those strings:

public class StringsCollectionConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        if (value == null) return null;
        return string.Join("\n", value as ObservableCollection<string>);
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        throw new NotImplementedException();
    }
}

Xaml

<Window.Resources>
    <local:StringsCollectionConverter x:Key="StringsCollectionConverter"/>
</Window.Resources> 
<Grid>
    <TextBlock Text="{Binding TextBlockCollection, Converter={StaticResource StringsCollectionConverter}}"></TextBlock>
</Grid>