large size triangular plate compasses protractor set teaching aids teacher demonstration plastic painting tool

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【Large Triangular Ruler Compound Protractor Set】Designed specifically for teachers, teaching demonstrations are more intuitive! High-precision ABS material, durable and anti-fall, clear gradations are easily visible. The set includes a large triangular ruler, a compass, and a protractor, meeting the comprehensive needs of mathematical geometry teaching. Solving the pain points of traditional teaching aids that are easy to damage and unclear gradations, it improves teaching efficiency. Certified by the national teaching equipment safety, quality is guaranteed. Let each teacher's teaching be more relaxed and efficient, stimulate students' learning interest, and create a beautiful education future together!