A fantastic outdoor art idea that makes great use of loose parts found in a forest: clay faces on tree trunks! My son loves the funny faces people put on trees, now I can let him make his own :)
Gutter water play -- used to do this every summer with my mom& summer camps! Love the connectors and props, that looks really stable. So fun!
Chalkboard paint + wood slices =great table numbers for wedding center pieces