Hopscotch and economy for kids

Well there are the classic economic practices.

Consumption practice is easy for kids, for folks and for experts;
Savings practice,  kids have to learn, that folks fears , experts consternation;
Investment practice nonexistent for kids,  risks and losses for folks, big acrobatic wins for experts.

Then, in Economy 4G3W, datevaluation practice is proposed for brain relax as an investment's substitute like hopscotch for kids : make it as you like, you allways win. Or you save money. Or you multiply. Or you treat the time you give away.