I love playing this game on the iPad. It’s FREE and one of the coolest racing apps I’ve found for the iPad.
You can use your fingers or an actual Hot Wheels car to play the game!
Here is the Hot Wheels web site: http://mattelapptivity.com/app-toys-games/hot-wheels/
and you can download on iTunes here: https://itunes.apple.com/us/app/apptivity-hot-wheels/id513292721?mt=8
Watch the video: http://www.youtube.com/watch?v=FByhUDl6ojk