Sunflower House: fun to play in once the sunflowers grow tall! I have seen this done with on large square with side "rooms" and an entrance area. Fun for kids especially if they plant seeds and tend .making their own playhouses.
INDOOR window box for girls room, too cute.purchase a simple plastic window flower box. Cover the front, bottom and side with fabric (a hot glue gun ). Colour choices, flowers etc are yours. My little girl would love this