With the help of the rainbow, fine motor skills, imagination, logical skills are developed and a new way of thinking is initiated. The child will be able to learn colours as well as numbers while counting rainbows, and learn to achieve balance when stacking.
As for the finish, just like with the blocks, it is very important to pay attention to the roughness so that your children can build without limitations. This emphasis on roughness has, of course, one important reason, which is the force of friction, which keeps the elements from sliding.
