Make a custom tree bench! ~ 17 Impressive Curb Appeal Ideas (cheap and easy! big tree in the front yard
Here at Design Dazzle we gathered some amazing playhouses & treehouses. Take a look for some inspiration for your kid's treehouse or playhouse.
Backyard fun: 10 Creative Ideas to Make an Outdoor Oasis for Kids this Summer Apartment Therapy
Make a garden area just for kids to play in. Include buckets, shovels, flower pots, fake flowers, could be sand box w/ screen to keep cats out
A musical tree — another good activity for the outdoor environment — kids can bring something from home for their contribution. Many good ideas on this website