A practical and organized way to explore numbers. This tray includes colored bead bars representing the quantities, helping children understand teen numbers through hands-on counting and sequencing. It builds number sense, fine motor skills, and early math confidence. A must-have for Montessori classrooms or home learning environments.  Inspired by Montessori principles, this simple yet effective tool promotes focus, tactile learning, and a strong foundation for early writing and geometry concepts. "29*14*2cm"