Swiss map 3D

Introduction
This puzzle represents de Swiss map. It is a simplify map focused on the number, the name, the position and the relative size of the Swiss cantons.
Objective:
The puzzle aims to facilitate the learning of the Swiss geography and more specifically the number, the name, the position and the relative size of the Swiss cantons.
Description:
The puzzle consists of 26 pieces as many as the Swiss cantons. Every piece represents a Swiss canton along with its name.
target group:
The target group is students aged between 8 and 9 years old.