Ooobleck recipe and sensory play with a marble run! This is awesome sensory play and creative fine motor work when kids scoop and pour the oobleck into the marble run. Watching the oobleck slowly run down the marble run is so mesmerizing and calming!
Make erupting ice chalk paint. 1/4 cup each baking soda and cornstarch. add liquid watercolor paint and 1/2 cup water. Mix well w/spoon. Pour into ice cub tray & freeze. After it starts to melt, use squeeze bottle or baster to add vinegar & make them foam.