Wackiest Japanese Inventions You Have To See to Believe 34. Square Watermelon Square water melons that can only be found in Japan allow you to stack them together without them rolling away. 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 32 33 34 35 36 37 38 39 40 41
