SB 10.8.27

tatas tu bhagavān kṛṣṇo
 vayasyair vraja-bālakaiḥ
saha-rāmo vraja-strīṇāṁ
 cikrīḍe janayan mudam
Synonyms: 
tataḥ — thereafter; tu — but; bhagavān — the Supreme Personality of Godhead; kṛṣṇaḥ — Lord Kṛṣṇa; vayasyaiḥ — with Their playmates; vraja-bālakaiḥ — with other small children in Vraja; saha-rāmaḥ — along with Balarāma; vraja-strīṇām — of all the ladies of Vraja; cikrīḍe — played very happily; janayan — awakening; mudam — transcendental bliss.
Translation: 
Thereafter, Lord Kṛṣṇa, along with Balarāma, began to play with the other children of the cowherd men, thus awakening the transcendental bliss of the cowherd women.
Purport: 

The word saha-rāmaḥ, meaning “along with Balarāma,” is significant in this verse. In such transcendental pastimes, Kṛṣṇa is the chief hero, and Balarāma provides additional help.