This box is dangerous and exciting at the same time. It will attract Djinn to it, Believing and unbelieving Djinn will come to this, they won't be bound, just come to visit the box. You must be careful what you are getting into here, this is NOT A TOY and NOT FOR ENTERTAINMENT PURPOSES ONLY. This box has a spell on it that won't allow them to stay in your house, just come and go.
Spell is optional, however, the guardian of the box is not. He will protect you from whatever comes through the box, he does not control what comes through, he just protects you from something very bad. Not all Djinn have your good graces in mind, the guardian will ensure that you are not harmed in the interaction of the djinn