Amanda Friedman - Night Landscapes http://www.amandafriedman.com/?cat=6
"Serenity Bubble. After completing a tiring task or chore reward yourself (or your child) with a five minute serenity bubble. You can read, draw, jump rope, style your hair, bike, run or just be. *encouraging balance in daily life* " -- This is an amazingly effective, and super simple, reward to offer for the completion of difficult tasks. It has worked wonders in our neck of the woods.