With the Yellow Door Tactile Array Stones, children learn that numbers can be represented in several ways. From number bonds to subitizing, these durable stones work well for a variety of mathematical lessons.
- Helps children learn counting, number recognition and other fundamental skills.
- Displays irregular number arrays from 1 to 5, using 3 indented circle patterns.
- Safe for use outdoors, including in water, sand and mud.
- Each stone measures approx. 2".
- Recommended for ages 2 and up.
- Includes 15 stones in 3 colors.