You will also need:
For All Christmas Trees:
One pair of 5mm (UK6-US8) Knitting Needles.
Large darning needle and some elastic.
For Small Christmas Tree:
Polystyrene cone 13cm tall, 9cm diameter.
For Medium Christmas Tree:
Polystyrene cone 20cm tall, 9cm diameter.
For Large Christmas Tree:
Polystyrene cone 28cm tall, 12cm diameter.
For Bauble:
One pair of 4.5mm Knitting Needles.
Toy Stuffing.