Features: Develop your child's math skills with this creative ruler set! A fun and effective tool for practicing number breakdown and mathematical operations. Made from durable plastic, the ruler set is built to withstand everyday use. Its unique design features holes that allow children to visually break down numbers and practice various math concepts. Designed for elementary and middle school students, this set is perfect for those interested in math or looking to improve their computational skills. It's a must have for parents and teachers who want to make math more engaging and enjoyable. Help your child develop a better understanding of numbers and problem solving skills with this innovative ruler set. Make math fun and exciting with this educational tool! Package includes: Digital Decomposition Ruler; 2 Non-lsip Wooden Pencils; 2 Pencil Caps; 1 Eraser; 1 Pencil Sharpener. Whether in the classroom or at home, the ruler set is a versatile tool for math education. Specifications: Material: Plastic Color: Mixed Color Size: Approx. 23x12.2cm/9.06x4.8in Weight: Approx. 260g Package Includes: 1 Set Digital Decomposition Ruler and Pencil Kits note: 1.Please allow 0-1cm error due to manual measurement. make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you