WPF label & Textblock Enlarge & Shrink using Storybaord DoubleAnimation

Hi Guys, anybody can help me to have 'Enlarge & Shrink' animation using Storyboard in WPF?

I got labels and Text-blocks in WPF and I would like to apply the above concept, can anybody share me some example of   'Enlarge & Shrink' of labels and TextBlock.

Or is there any other way in doing this??

This is the example:

Thank you.