5 - 13 years. Twist and roll this UltraFlex™ 12 / 30 cm ruler to measure curved and angular surfaces accurately. SAFE-T® Plastic will not break or
Big Foot Safety Ruler, Sign Shop Straight Edge Ruler - USCutter
Helix 2-in-1 Circle Ruler Measuring & Compass Tool 12 / 30cm
5 - 13 years. Twist and roll this UltraFlex™ 12 / 30 cm ruler to measure curved and angular surfaces accurately. SAFE-T® Plastic will not break or
Ultraflex SAFE-T® Ruler
Big Foot Safety Ruler, Sign Shop Straight Edge Ruler - USCutter
Helix 2-in-1 Circle Ruler Measuring & Compass Tool 12 / 30cm
At almost 4 wide, these rulers are the ultimate in comfort and stability. The rubber backing helps keep the ruler in place, and the curved, 1.75
Ultimate Safety Rulers
Power A Mark II™ Electronic Control System
Twist'n Flex Ruler 12 / 30cm - MAP279010, Maped Helix Usa
Helix 2-in-1 Circle Ruler Measuring & Compass Tool 12 / 30cm
SAFE-T® Flat Flexible Ruler
This high-quality transparent ruler allows students to clearly see what they're measuring The Ultra flex SAFE-T plastic will not break or shatter
Learning Resources UltraFlex SAFE-T Ruler, Transparent Ruler, Math Class Accessories, Grades K+, Ages 5+