30+ Crazy Japanese Inventions That Are… Simply Awesome? (Part 2) 14. Grass toilet seat Source: http://vivas.us/ Here’s a little something to giggle at – grass toilet seat! A Japanese invention to get you even closer to nature. Prev Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31