$28.89/PC. This toy comes with building blocks that incorporate algebra into hands-
on activities for toddlers. The square donut shape creates a colorful
visual that expands a child’s visual field and assists in coordination skills.
The toy introduces the concepts of addition and subtraction. Thus
accompanying and guiding your toddlers during the process of
experimenting with this fun/educational toy will bolster an early start to the intriguing world of numbers.