Who am I?

I live in winter. I'm white and cold. I've got a carrot nose.

We are under the Christmas tree. What are we?

I'm red and white. Children eat me on Christmas.

We are big and small. We are red, yellow, blue, green. We are on the Christmas tree.

I can fly. I wear a red coat, trousers and black boots. I say "Ho ho ho!"

I'm yellow. I can be big or small.

What are we?

I help Santa Claus. I wear a green coat, green trousers and green hat. I'm little.

What are we?

I'm brown. I've got a red nose and four legs.  I can fly.

I'm tall and little. I'm green. There are presents under me