DIY String Chandeliers - blow up balloon, dip yarn in watered down glue, arrange around the balloon.pop the balloon, I think.
100 sensory play activities for babies, sensory activities toddlers, preschool sensory play, messy play ideas
sensory bags PLUS tons of other messy play ideas. Great for kids with sensory defensiveness!
Five Recipes for Sensory Play - Coffee Cups and Crayons