Hopscotch Stepping Stones - because kids live in the back yard too! I need to do this in my kids play area!
Or marbles! Teaching Mama: Pool Noodle Water Wall-Fun, summer activity for toddlers. Pinned by SOS Inc. Resources siu ki Inc.
Genius Outdoor Summer Ideas for Kids - Crafty Morning
Mummy Musings and Mayhem: Natural Play Spaces - Building a Mound Slide!