Set of 5 large Geometric drawing & demonstration tool for use on the magnetic whiteboard as well as blackboard. The Set-Squares (2 pieces) and protractor are both transparent. Making it easy to see the angles drawn. The compass comes with a suction head on one arm and the other arm can house a chalk or a whiteboard marker. The 1m ruler can be folded into 2 for convenient storage. There is a black handle supplied.