Shells and Water Toddler Play. This would keep children of all ages entertained for quite a while :) Let's hope! we did just get gifted a water table!
This could be use to as an extension of the Old Macdonald had a Farm activity. Create a farm small world scene using sensory materials to encourage sensory exploration, imaginative play, language development, and more!
Simple Small Worlds: Frog World from Fun at Home with Kids. Lots more great "small world" play ideas here!
Pumpkin Patch Small World for Kids: Fun Halloween and fall sensory play for toddlers and preschoolers. A fun way to encourage pretend play!