Śrīmad-Bhāgavatam · Text 10.18.15
Who is speaking and story frame
क्वचिच्च दर्दुरप्लावैर्विविधैरुपहासकै: ।
कदाचित् स्यन्दोलिकया कर्हिचिन्नृपचेष्टया ॥ १५ ॥
kvacic ca dardura-plāvair
vividhair upahāsakaiḥ
kadācit syandolikayā
karhicin nṛpa-ceṣṭayā
They would sometimes jump around like frogs, sometimes play various jokes, sometimes ride in swings and sometimes imitate monarchs.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.