4 Pcs Large Teaching Triangle Ruler Set Blackboard Teaching Aids Large Plastic Triangle Rulers Protractor Compass Geomet

Features The perfect blackboard teachging kitThe set includes 45◦ 90◦ triangle Rulers a 180◦ Protractor and a compassIdeal Geometric Drawing Demonstration Teaching aidsGreat for drawing large shapes on a chalkboard Specification Material PlasticColor YellowType Triangle Rulers right angle and equilateral Protractor CompassQuantity 4 Pcs Package Includes 1 x 4 Pcs Teaching Aids