Monday's featured Google Doodle in the United States is a highly imaginative animation of a fanciful water purification system that was drawn by an 11-year-old student for a contest run by the search engine giant.

The animation features a winged, Steampunk-like machine taking in dirty water and pouring out clean water, another machine picking up litter, a spider sweeping up debris, a smiling whale, a happy human family—Google said it "quickly lost count of all the delightful elements of Audrey's doodle."

The doodle by Audrey Zhang, an 11-year-old from New York, bested more than 100,000 other submissions to come out on top.

For its seventh annual "Doodle 4 Google" competition, the Mountain View, California-based company invited American K-12 students to draw an