Answer:
I beam, I shine, I sparkle white. I'll brighten the day with a single light. I'll charm and enchant all. I'll bring the best in you all. What am I?
I jump when I walk and sit when I stand.
I have two bodies joined together as one. When standing still I run and run.
I have three eyes and only one leg. Obey me or you will be sorry.
I invade your home once a yearโฆbut only if youโve been good.
Give it food and it will live, give it water and it will die.