Practice the following words : erosion, tributary, rain, oxbow lake, Mississippi, discharge, ocean, Euphrates, source, falls, flood, Amazon to improve your English language vocabulary on rivers. This is a fun ESL snakes and ladders game for children to enjoy learning and studying at home and in school. Simply click to roll the dice; the ladders are what you should be happy landing on. Falling in a snake’s mouth is not fun; that could send you back to start. Have fun learning English!