A tamale and enchilada stand is shown at the fun pier, which might be a nod to the short's Hollywood production location. Such treats were sold in Southern California (and a few other places) but had not reached nationwide popularity yet. Some of the oldest Mexican cuisine establishments in Los Angeles had a steady clientele of entertainment industry folks.
The "mirror image" gag was a popular routine in film comedies of the time; it had been used by the Marx Bros., The Three Stooges, and many others.
The amusement park is modeled after numerous seaside establishments, such as Coney Island, and would have been familiar to cinema audiences.