What do you think the age range is for each time of life?
Baby; toddler; child; teenager; adult; (be) middle- aged; pencioner; (be) old/eldery

Baby-до 2-ух лет, toddler-2-3,child-до 13,teenager- от13 до 18, adult- от 18, middle aged- 30-45 , pensioner-после 55, old- после 60