[Monorea]

For one of every item 4080 is needed, all three sets + hamasurus + holly daze gives you all items however if you want several of multipose and opacity items you should buy

Winter Noel Hair x2
Winter Noel Overdress x4
Winter Noel Shoes x2
Winter Noel Underdress x2
Winter Noel Wings x2
Carrot Nose
Cozy Mittens x2
Corncob Pipe
Cozy Scarf
Eyes of Coal
Snowball Fight x3
Cylinder Hat
Chad the Snowman x2
Coal Grin
Baby Chad x2
Bit of Snow x2
Holly Daze x2
Winter Wanderer Boots x2
Winter Wanderer Coat
Winter Wanderer Gloves x2
Winter Wanderer Hat
winter Wanderer Pants
Winter Wanderer Scarf
Winter Wanderer Blizzard x4
Hamasaurus x2
Unfinished Chad

Something like that.