Footage of science teacher Jacob Strickling showing how to build a very efficient mosquito trap with a bouncy castle fan and a traffic cone. br br The video, shot in Gosford, NSW, Australia, shows Strickling taping a red road cone to the fan before he fixed a red bike light at the entrance of the cone to attract the bugs. br br At the other end of the fan he mounts a bug zapper racket in order to kill any bug caught in his trap.