Although Kṛṣṇa is viśva-vit, the knower of everything happening in the entire cosmic manifestation, as an innocent child He showed ignorance of Brahmā’s actions, although He could immediately understand that these were the doings of Brahmā. This pastime is called brahma-vimohana, the bewilderment of Brahmā. Brahmā was already bewildered by Kṛṣṇa’s activities as an innocent child, and now he would be further bewildered.