Children's Anti-Myopia Grid Ruler: 20cm Transparent Plastic with 15cm Wavy Line

This versatile ruler is an essential tool designed to promote healthy eyesight in children by encouraging proper reading distance. Measuring 20cm in length, it is crafted from durable, transparent plastic, allowing for easy visibility and precise measurements. The ruler features a unique 15cm wavy line pattern, adding a touch of fun while aiding in visual acuity exercises. Its lightweight design makes it easy for children to handle, and its clear structure ensures that it complements any desk or learning environment without distraction. Ideal for home or classroom use, this ruler supports good reading habits and helps to prevent myopia in young learners. Specification: 15cm, 20cm Net Weight: 15cm 7.3g, 20cm 11.3g Material: plastic Packing Specifications: Single pack Manufacture country: China Instructions included: No