Easy toadstools.... here it's a fairy ring, but??!! Summer at Fingerprints Childcare Centre | Parenting Fun Every DayParenting Fun Every Day http://www.parentingfuneveryday.com/fun/play-activities/summer-at-fingerprints-childcare-centre/
Treasure Island child care sensory garden - what a great example of incorporating a sensory garden into a child care facility
Make a garden area just for kids to play in. Include buckets, shovels, flower pots, fake flowers, watering can, rocks, etc.
child friendly water features - Google Search
I love this idea! My kids are always digging around in my backyard. A play garden for children
Find fence at $ store and you child has his or her own garden to take care of.