Gifts for my kids who I am not able to see.

I would love it if someone could help get my kids Christmas gifts this year Is the first time in there life that I'm not going to be with them. My son is 11 and he has asked for the game demon slayer for the Xbox my daughter is 9 and she loves anything stranger things. I'm in Garland tx and they are in Charleston sc and it is killing me that I'm not going to be able to see them or get them anything