puzzle pieces from approx 1960,the mini brochure says the following : if you want to avoid ruch,vulnerabitlity,concerns and much more and if you like to chase all the bad thoughts and speculations aside and learn to be a calm,happy and balanced human being,then listen to a friendly advice.and here it comes : learn to make jigsaw puzzle !big words about 12 small colored pieces,but who knows it might help