Excellent introduction to architecture and gravity which also teaches following instructions and problem solving.

There is complicated visual processing, since a child will take a three dimensional object and pair it to the appropriate void, the hole in the block where it fits precisely, matching both diameter and depth precisely.

The purpose of the Broad Stair (also known as the Brown Stair) is to enhance the child's ability to discriminate between different sizes of objects. The Broad Stair focuses on differences in two dimensions only (width and height), as the length of each piece in the set is the same.

Techniques of distributive division and to lead to abstraction.

Practice the steps to properly disassemble and build the cube, while refining dexterity and visual acuity.