- Fortified houses
- An infantry casemate (Koenigsbruck)
- The construction of lookout post (Hatten)
- Obstacles: anti-tank rails, barbed wire entanglements, roadblocks, anti-tank ditches
- A turret with twinned machine guns
- A 75 mm gun turret (1932 model) (Four à Chaux)
- Part of the main gallery of an "ouvrage", with the electric train, and the section showing how the boxes full of shells were transferred to the artillery blocks
- Models showing several parts inside the big "ouvrages"