There are many free games online that can help you teach kids the basics of personal finance. Below are a few designed for kids 5-12.
Dollar a Glass Lemonade Stand
Run a lemonade stand while learning about supply, demand, profit, costs, and more.
http://bizkids.com/games/dollar-a-glass
Peter’s Pig Money Calculators
Different challenges to help kids recognize coin currency. Sort coins into the correct jars, count coins, and more.
http://www.practicalmoneyskills.com/games/peterpigs
Financial Football
Test your financial knowledge on the gridiron. Play against the computer or against your friends. Go Hawks!
http://www.watreasurer.financialfootball.com
Farm Blitz
Build a farm and watch your crops grow. Be careful not to get yourself into too much debt though.
http://financialentertainment.org/play/farmblitz.html
Dollar Dive
Fun game from the US Mint that helps kids recognize currency and values. Catch coins underwater so you can buy sails for your boat and escape the sea monster.
http://www.usmint.gov/kids/games/dollarDive/