20 Pieces 12 Inch Transparent Rulers Plastic Rulers Straight Shatterproof Rulers for Kids Math Supplies Students School Office Measuring Tools (Transparent)

Features: Practical measurement tools: The plastic ruler set can be applied to measure length and draw geometric figures, and help children to complete manual and math homework. The bright and lightweight ruler can stimulate children's interest and potential in the using process. Thoughtful design: There are inches and centimetres marked on both sides of the straight ruler, which is convenient for students to measure with two length scales and easier for children to learn about centimetres and inches. Specifications: Color: as pictures show Size: 30 cm/ 12 inch Thickness: 1.5 mm/ 0.06 inch Quantity: 20 pieces Package includes: 20 x Plastic rulers Warm notes: Please be careful and not to scratch your skin when using it. This product is suitable for children over 7 years old, or you need to use it under the supervision of adults. Please allow slight color differences due to different monitors. Please allow slight dimension error due to manual measurement.