Tilda is approximately 30cm (12”) tall.
However she could be knitted in other yarn weights to achieve a bigger or smaller doll.

As well as approximately 30g of red double knitting yarn, Tilda also requires small amounts of DK yarn the same or similar to the red yarn chosen in:
Beige or Pink - for head.
Yellow (or whatever colour you choose) – for hair.
White – for wings
Green – for holly
Black DK (or 4ply) – eyes

Toy stuffing/filling for stuffing – approximately 50g should be plenty.