THIS. For birthdays and Christmas / Hanukkah / General Winter Holidaytime make all gifts fitness related.  For the kids make it toys that get them moving. Hockey sticks and some balls, Basketball and a hoopset, rollerblades, hoolahoops, skipping ropes, whatever works well for where they live (apartment versus house), their age and your budget. For the moother, go to the discount bookstore and get her a cooking book with the word DIET in big bold letters.