The following list is intended to show the complex components that this interactive toy requires, and that it meets the request for proposal.

Component	Function	Cost
Speakers	The speakers produce the sirens and other sound effects that are heard while the car is running. It is also used for verbal communication the car gives to the user.	200
Voice Chip	This improves the quality of the sound and makes speech possible.	50
LCD Pixel Screen	This is the LCD pixel display on the trunk of the car.	400
Infrared Emitter (2)	This device sends signals toward the maze squares. It detects where the road is. An additional emitter mounted on the roof is used to communicate with other police cars in a multi-user game.	100
Infrared Reciever (2)	This device works in conjunction with the infrared emitter.	100
Computational Processor	This computational processor is necessary to run the "artificial intelligence" algorithms that help the car choose its path.	500
Memory Storage	The car must be able to remember where it came from in order to increase its ability to decide which way to go. If the car must travel in reverse, it will remember not to radomly choose the same incorrect path again.	500
Small Servo Motors (2)	The are two servo motors. One pushes the car along in forwards and reverse, the other turns the steering wheels to the left and to the right.	200
Complex Mechanics (2)	The steering system require a set of complex mechanics, and the drive system requires a set of complex mechanics as well.	100
Totals		2150

The interactive toy also comes with a set of 25 assorted, jigsaw interlocking maze plates. These components are relatively inexpensive because they are manufactured from heavy cardboard with the red and white lines printed on. The kit would be expandable. Additional plates could be purchased in sets of 5 for a nominal charge.