Nanatsuko Nezumi Series Episode 1

Seven mouse children and their normal lives. Episode 1 follows mother mouse's struggle to keep her children happy by playing ressha gokko only for them to run into danger with a snake. Episode 2 follows father mouse as receives a letter from a friend asking to help out in the forest, the whole family decides to go but the children tire easily from the activities. Episode 3 is set in winter, the children help their mother with her errands.