How do you teach/encourage money saving/coin bank habits at toddler age?

I started off by teaching the currency amount. We pretend play supermarket with money. We also use coin bank. http://www.qoo10.sg/gmkt.inc/Mobile/Goods/Goods.aspx?goodscode=459322980 When we go out we teach her to use money to pay and count the balanced that will be put into coin bank.