“Learning shapes starts with Soma shapes.”

you.
Childhood is a 'critical period' for developing spatial sense.

Even if you don't have an innate sense of space, you can still have it.
The differences in what we experience and encounter in childhood later affect us in the upper grades of elementary school and middle school.
In high school, it can also manifest as a difference in spatial sense.
Therefore, it is important to provide children with a variety of experiences during infancy and to begin systematic learning during childhood.
Somado Shapes is a geometry textbook that covers the geometry part of the entire elementary school curriculum for students from 5 years old to 5th grade.
Each level is divided into four areas: two-dimensional figures, three-dimensional figures, figure manipulation, and measurement. It is designed to develop children's spatial sense and thinking skills with topics and approaches optimized for each learning age.
If you study two chapters a day in an enjoyable way, you will naturally acquire concepts, apply them, and review them through the systematic structure of “daily learning → activity → confirmation learning.”