This innovative 3-in-1 ruler and compass makes it easy to draw precise circles up to 12 in diameter! For larger circles, simply place pen or
Helix 2-in-1 Circle Ruler Measuring & Compass Tool 12 / 30cm, Pack of 5
⭐ MATH GEOMETRY KIT 4 PIECES. 12 (30 cm) ruler + 5.25 (13.3 cm) 30 /60 degree Triangle ruler + 4.25 (10.8 cm) 45 /90 degree Triangle ruler + 4 180
BAZIC Math Geometry Set 5 Pieces, Compass, Protractor, Ruler, 2 Triangle Rulers, Plastic Clear Measuring Sets for Students Professional, 2-Packs
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The Teachers' Lounge® 2-in-1 Circle Ruler Measuring & Compass Tool 12 / 30cm, Pack of 5
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