Also on these boards
Easiest, cheapest sensory idea ever! I rubbermaid container with a few bags of beans. You can hide toys in the beans or have them scoop with a cup or other items. Using a cup to pour the beans on hands and feet is actually SUPER soothing too!
The Golden Gleam Blog: messy activities for outdoor play. This blog also provides helpful information about how outdoor play develops positive behaviour. A very helpful resource for educators as well as parents.