Flexible color-changing ruler 20cm KJ-7038 light blue

The Flexible Color-Changing Ruler 20cm KJ-7038 is an innovative measuring instrument from COKAJ brand that changes color depending on lighting conditions. This practical tool combines functionality with a vibrant design, making it a favorite among schoolchildren, students, and creative professionals.

The ruler is made from high-quality, flexible plastic that allows it to bend easily without deformation or breakage. With a length of 20 cm and clear markings from 0 to 20 centimeters, it provides accurate measurements for any task. The unique feature is its light-sensitive coating that changes shade depending on light intensity, making this ruler a true gadget for modern youth.

• Flexible material prevents breakage from drops and bends
• Light-sensitive coating with color-changing properties from light blue to other tones
• Clear millimeter markings for precise measurements
• Compact 20 cm size fits perfectly in a backpack or pencil case

The flexible ruler is used in schools, offices, art studios, and home environments. It's essential for homework assignments, technical drawings, marking, and other measuring tasks. This product makes an ideal gift for children or colleagues, as it combines practicality with an interesting design.