Fizzy Chalk Painting

Over at Learn Play Imagine they have a recipe for making your own erupting
                chalk paint.  I decided to give it a try.
      
 
             The children loved painting on the pavement. 
The colours are bright when they are wet and fade some when they dry.
  
 
           
As much as they loved painting they enjoyed squirting the vinegar on their
                                       paint more.