Depends on their age. making or decorating cookies making crafts outdoor play go skating or sking library trips board games reorganize or paint their rooms find an indoor pool (if it is cold in your area) make holiday cards for friends, family and neighbors cook and freeze meals together bake bread let them take turns inviting a friend over for a day or sleepover read books together decorate a t shirt or sweatshirt tie dye set up a fish tank, take notes & make a journal of your observations start a new hobby or collection you can do together sew