Look for the 5 differences in each of these Christmas images made up of lights, like the ones that are used to decorate the houses and the cities during Christmas. En each one of these images of reindeer, trees, angels,... we will have to mark the differences between the top image and the lower image. Each correct answer is 5 points and each error subtracts 5 points, how many points can you get? To play choose the full screen option.