Changes

# the New-bilateral-game Button (start a new game to create a vertical reflective symmetry)

# the New-bilateral-game Button (start a new game to create a vertical reflective symmetry)

# an area for messages

# an area for messages

# the Activity-stop Button

# the Robot Button (the robot will help you make your pattern)

# the Stop Button

=== Programming challenges ===

=== Programming challenges ===