Fall Kids' Craft: Leaf Monogram "Wreath"- Buy a big letter from a craft store, collect leaves with the kids, and help them glue it together. Could do the family initial on the door, or their own first initial for their room(s).
If you’re looking for a really easy, fun and inexpensive way to bring some autumn decor into your home, this is for you! All it takes is a string of fairy lights (you can pick these up in pound shops / dollar stores) a collection of beautiful fall leaves,
Tabula Rosi - Colorful artwork and crafty adventures
Two Ways to Preserve Fall Leaves: Fall Nature Craft and Science Activity for Kids!
DIY Folded paper fall leaves tutorial with free printable template