Many companies advertise their products as being educational. How much of this terminology is sales promotion and jargon, and how much is fact?

As an educator for many years, I can say with authority, that there is educational value in all types of jigsaw puzzles. The skills acquired and practiced in completing jigsaw puzzles are a foundational part of successful learning. Doing jigsaw puzzles develops several functions of the brain simultaneously as a child has fun and also learns. Most notably developed in this learning process are the abilities to reason, deduce, analyze, sequence, and develop logical thought and problem solving skills. Physically, eye-hand coordination and spatial awareness are also required to complete a jigsaw puzzle.

Putting these benefits aside, I want to look particularly at the jigsaw puzzles that are labeled