Whitey and Cahoots, two sharks, convince giant tortoise Arlene to invest in their sure-fire, money-making scheme. Arlene takes the bait. So do all her friends, and they discover the hard way what a Ponzi scheme is. Research conducted by the University of Wisconsin-Madison shows that 4th and 5th graders with some exposure to financial education demonstrate different attitudes and behaviors towards money. Researchers claim that: Luckily, there is a wealth of resources and activities for the financial education of children. In the meantime, presenting kids with age-appropriate books about money early on will demystify the topic and begin the process of imparting this necessary knowledge. Want to read more books about money? We’ve got you.