The Cuisenaire Rules is a manipulative learning method of mathematics. The color - size - number relationship will allow us to learn numbers and start calculating with them.
SIDE makes a great contribution to the rulers by Fractioning them to help in understanding the numerical progression, and numbering them on one of their faces as a system Autocorrect for the child.
In addition, their sizes and colors are unalterable and therefore provide safety when used by children.
LADO Strips are the 'Strips' of the 21st century. They improve the classics, respecting the good of those and updating the fundamentals.