I found these that look great -

http://www.amazon.com/TruKid-Bathblasts-Bubble-Bath-Pods-Single-Use/dp/B00FNUU642/ref=sr_1_1?ie=UTF8&qid=1392181093&sr=8-1&keywords=bathblast

But they are way too pricey!

What bubble bath do you use that creates tons of bubbles and is natural?