Essential learning tool for preschoolers and students aged 3 8, designed for parent guided activities and classroom educational projects Flexible yet tear resistant construction withstands repeated bending, with numbered increments and textured surfaces ensuring slip easy operate in study areas or playrooms Innovative press down edges design stabilizes objects during measurement, while colorful color coded markings improve visibility and engagement for learners Strong silicone measuring ruler for kids combines safe, materials with double cm / inch units to enhances early math skills and measurement accuracy Ideal for interactive measuring practice during craft event, science experiments, and outdoor activity like collection or rock size comparisons, Manufacturer: Whoasyst