Kids love the challenge of Walking Blocks (think of them as beginner stilts).
Bespoke Mounds Bespoke Mounds - fun ideas for creative play space, given tri-level nature of backyard, for the kids. like the little bridge and idea of using synthetic grass as a temporary covering while kids are small.
This photo is superb
Finger Twister Game :) could easily make your own and laminate. Perfect for indoor recess.
source for forest school resources, books , clothing and supplies
forest school activities - Google Search
Splendor in the Glass - Obsidian Wind Chimes by eve