CC Ādi 14.23

tabe kata dine kaila pada-caṅkramaṇa
śiśu-gaṇe mili’ kaila vividha khelana
Synonyms: 
tabe — thereafter; kata dine — in a few days; kaila — did; pada — legs; caṅkramaṇa — movement; śiśu-gaṇe — all the children; mili’ — mingling together; kaila — executed; vividha — varieties; khelana — sporting.
Translation: 
After some days the Lord began to move His legs and walk. He mixed with other children and exhibited various sports.