Sheppard Software has some FUN money games!
Count US Coins- an interactive site that allows
you to learn coin recognition and counting patterns.
Matching Money- a matching game that allows you a timed or an untimed game.
Money Desk- has three different levels of difficulty
and three different characters to choose from.
The US Mint has several different fun games for kids:
ABCya's Counting Money Game- three different levels of difficulty
Bank It! - 3 different difficulty levels
CA$H Out- includes three levels of difficulty and on screen hints
Piggy Bank- easy and hard levels
Change It Quiz- lots of game options
Money Printable Games from Fuel the Brain
Smart Notebook Money Lessons
and a few I created here.