could use the old closet coated metal open shelf strips on either end of sand box for imagination and storage maybe.Outdoor kitchen at Only About Children Cremorne & Neutral Bay Campuses, image shared by let the children play (",)
Great demonstration of how pesticides and other chemicals can easily be absorbed by vegetables.Toddler Science: Celery Experiment, Learn about Plants and How They Absorb Water in This Science Project for Kids
Kids cut through sticker to learn to turn and cut - lots of other great fine motor ideas on this site. (Other good OT tips on the site- I've done some of the other ones, but I really like the sticker circle- it also creates more resistance when cutting!
Another pinner says: Mess Free Finger Painting! What an awesome idea! Paint in a ziploc bag taped over a piece of paper. Of course we'll have to REALLY finger paint sometimes, too, since getting messy is half the fun.