Sorting Tray - 12 CompartmentThis durable 12 compartment sorting tray is a powerful tool for building Early Number Sense in preschool and early elementary learners. With multiple sections for grouping and comparing, children naturally practice One to One Correspondence, develop Cardinality, and strengthen Subitizing skills as they sort, count, and organize manipulatives. The tray also promotes fine motor control, hand eye coordination, logic, reasoning, and problem solving,