Unfortunately, the holes are only partially pre-drilled and not go through the woods. In addition, the screws have an unusual head shape and can be grasped only with difficulty by a normal screwdriver.
So you need a drill and screws to build another. Except that I do not intend a newborn, to go to the hardware store.
Somehow, the essay will be set up with a lot of swearing. Too bad it does not schaftt a carpenter to produce such a simple construction as a changing table so that a structure is readily possible. I'm not a fan of IKEA - but at least you know IKEA, allowing installation of the furniture .....