PC game Little car pc 3d look

We need for our succesful animation asap a simple 3d racegame. The game must have the caracters of the animation in the game. It must look like a 3d game. The target market is childeren of 5 years up, so it must be simple to play. There is only 2 months for delivery of this game. It MUST be a racegame where the caracters has to race against each other. You will receive the full dvd's so you can create the game that feels and looks like the animation. We NOT have the 3d caracters, so you have to create them your self.