Treat mom and dad to a thoughtful and useful present this holiday season — our top gifts for parents start at $18.

With that in mind, I've rounded up 10 gifts to buy for aging parents, all of them intended to be useful in some way — and all still available in time for Christmas (and the latter days of Hanukkah).

To help parents and shoppers narrow down the overwhelming amount of toys and gift ideas catering to 4-year-olds this fall, we spoke with a play expert, pediatric occupational therapist ...