Bubble painting is a classic children’s art activity, and it’s easy to see why – it’s easy, cheap, kids love it, and the results are pretty good too, but bubbles are also amazingly versatile, we’ve tried 3 different techniques now, and each one has distinctively different results.   Bubble Painting #1     The first technique is the one most people will be familiar with. Here, you mix your paint (in this case tempera) with a little water, and a squirt of washing-up liquid, stir it up and then blow into it with a straw to create lots and lots of bubbles. You then gently place the paper over the…