Origami is a little tricky for them because they don't have the dexterity, but with a little help they made origami bookmarks and christmas trees as an activity. They had fun with it. Folded Paper Heart Book Page Marker – DIY
DIY Paper Clay Barnacles - by Design Sponge - Tutorial - Very easy to make and looks really cool when done. Going to have to take this idea and use it to do make some other things I've been thinking about.