Tree Decorations
From Growtopia
In-game description:
"All sorts of baubles and gewgaws to adorn your Giving Tree in true Winterfest style! One decoration won't do much, but you can toss up to 100 decorations on each tree! More decorations will logically result in better gifts, but taking the gift will remove all the decorations with it! "
Obtainable from Fishing, Surgery, Geiger and Villain. You can get 1-4 from Surgery.
http://www.rtsoft.com/forums/attachment.php?attachmentid=104901&d=1450408984
