For those that don't want a playhouse in their yard why not create a nest for the kids. This way you have a place for children to play and a unique piece of garden art that you get to design and create.
Backyard Inspiration - Ideas for Garden Lovers! I love the pebbled steps! They can curve around and lead you to a secretive place around the home or maybe a small nod around your yard to another bird bath, bird feeder or a beautiful spray of flowers