Carnaval is not only celebrated in Rio and the Caribbean, rather, Spain as well. Even public schools hold their own form of Carnaval celebrations.
The primary school that I teach at (in Las Torres de Cotillas, a rural town of southern Spain) asked for my assistance drawing some Disney characters, which became a full-blown, life-sized recreation effort. Additional decorations, such as the popcorn cart, pictured below, were a complimentary effort. All pieces were made with supplies limited to cardboard, paint, hot glue and a table cloth.
All illustrations were drawn free handed by me, while the coloring of the images were left to the students, ages 3 to 12, to complete..