A school closes due to heavy debt which brings the children into action by doing naughty deeds so as to persuade the real estate agency to reopen the school, and since this didn't work, they kidnap the school's owner in order to be heard.
Includes: Las locuras de Parchís, La segunda guerra de los niños, La guerra de los niños, Parchís entra en acción, Parchis Against the Invisible Inventor, La magia de los Parchís, La gran aventura de los Parchís