This is a VERY CHALLENGING colour by number. I created it for my son’s 10th birthday and he has given me permission to share it with you. I traced a photo that I took in Japan and converted it into this colour by number. You might need to take some liberties with the shapes, numbers and colours because I definitely missed a few things! You might also need to refer to the coloured version to figure out what is going on. I do not recommend it for very young children as there are some very small shapes and the numbers are tiny. I hope it isn’t too frustrating. Good luck!