Tactile Array Stones, 15 Pieces

This appealing set of 15 counting stones displays irregular number arrays from 1 to 5 using three different patterns of indented circles to represent each number. The tactile nature of the stones means they are perfect for sensory math investigations and can be used outdoors, including in water, sand, and mud. The stones will help children with counting, number recognition, subitizing, number bonds, and more. Contains 15 stones in three shades.