The assembly instructions you had best not note: Because this is extremely daunting. Leafing through the many pages I thought that I would be suitable for this purpose as skillful craftsmanship man a specialist.
Hint: Just omit the instructions and the individual parts with common sense together. Then the whole thing is also done quickly and fairly straightforward.
Included are unfortunately only wood screws and dowels, for other building structures you have to get your own material.
When the grid is mounted, it keeps very well. The fireplace is therefore safe by children's fingers against intruders.
The door can be readily openable by adults hands, the children are sure to not be able.
Conclusion: The grid holding "unauthorized" far and looks good too. What more do you want? Except probably. a neat instructions.