This unique Montessori material helps children explore arithmetic concepts using a base-5 number system. The wooden set includes units, rods, and blocks that allow kids to visualize and manipulate numbers in groups of five. Perfect for hands-on learning, it fosters a deeper understanding of place value, counting, and mathematical operations in a creative and engaging way!. This tactile resource is ideal for enhancing logical reasoning, concentration, and mathematical fluency, making it perfect for classroom and home use.