to this.

When you assemble the furniture and at the end there are screws and boulders, so that the ready-made structure to the wall, you stand and think "nakera? I understand that the commodity, although huge, but at the same time sufficiently square and heavy not to fall.

When you open all the boxes of the box, the center of gravity will move and this huge miracle will be overturned. The important thing is that the child does not know. In short, do everything according to the instructions - from and before.