The box of this set serves as a building base. You can use both its bottom and the lid, and they hold the pieces in different positions.
![SmartMax Build XXL - Lid SmartMax Build XXL - Lid](https://buildkitpedia.com/wp-content/uploads/2023/08/smartmax-box-3-1024x921.jpg)
The box of this set serves as a building base. You can use both its bottom and the lid, and they hold the pieces in different positions.