Another popular vintage folding puzzle. You can see original from here. This one also invented by H.Edborg and patented in 1943. Patent number is US2327875. You can fold this puzzle for obtaining a zebra or a hippopotamus. Original puzzle illustration is a cow and horse. This paper is two sided too. If you want make your own puzzle free PDF print and play file with instructions is here (1.4 MB on secure server box.com). For solution you can see original puzzle patent.