Combine frozen blueberries and strawberries into a microwave save bowl. Microwave until defrosted (about 2-3 minutes on high). Pour berries into blender.
Add milk, scoops of ice cream and spinach to blender.
Place lid on blender then press chop button for a minute until contents are smooth. Press liquefy button for another minute until contents are liquefied.
Pour contents into glasses and enjoy. Kids might like a straw.