give students additional challenges. Here are some examples with
Roverbot move forward then reverse direction when the touch sensor is
pressed and beep when it is released.
Following the next set of programs, the motors stay on because there
is no command block that turns them off.
Make Roverbot spin clockwise then change direction when pressed.
Make Roverbot move forward, wait for the touch sensor to be pressed
then beep and stop all activities.