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Create engaging lessons of geometric principals with this versatile demonstration compass
Draw circles 2"-32" in diameter, construct and measure angles with built-in protractor, and measure length in customary or metric scales
Suction cup fits securely on board for accurate measurements and construction
Direct view pivot point and quick-set radius indicator allow easy drawing of circles
Use with chalk or dry-erase marker
Model geometric principals for the whole class. Transparent, shatter-resistant plastic. Measures 19¾"L x 4¼"H.
Learning Resources Bullseye Demonstration Compass - B000URL0NO