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Objective: Write a Pilot Level 4 program that allows at least one touch sensor to make a vehicle change direction.
Result: Most groups of students built a remote control containing two touch sensors. The cars were able to go forward, backward, and turn using a variety of combinations.
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		The "Dragger" can go forward, turn, or go backward using touch sensors. Pressing "run" on the RCX causes the car to move forward. Pressing touch sensor 1 causes the car to turn, and pressing touch sensor 3 causes the car to move backward and stop.
		This fabulous car moved forward after pressing touch sensor 1 and then backward after pressing touch sensor 3.
		The "Road Runner" uses one touch sensor to move forward, backward, and turn.
		This "rover" uses touch sensors to make the car turn two different directions. Pressing the touch sensors repeatedly causes the car to back up.
		"The Frogger" remains still once the "run" button of the RCX is pressed. Once a touch sensor is pressed, the car springs into action and moves forward. When the touch sensor is released, "The Frogger" moves backward. When a second touch sensor is pressed, the car turns slightly and then stops.