press down arrow to putt marker down. press up arrow to put marker up. press space to erase all. when you press A the marker is red. when you press B the marker is black. when you press C the marker is green. when you press D the marker is blue.when you press E the marker is purple. when you press left arrow marker is bigger. when you press right arrow marker is smaller. when you press F the marker is orange. when you press g the marker is yellow. when you press. h the marker is light blue.
working on eraser.
