Foto "pinnata" dalla nostra lettrice Francesca Mereu DIY Christbaumkugeln by herz-allerliebst, via Flickr
Have the kids each paint several pieces of paper using fingers, corks, combs, etc. using different colors of green, blue, and yellow. Let them mix as they paint. Then after they dry cut them into smaller pieces and share/trade with classmates to create trees. Use a punch to create ormaments.