"Micro Cooling Fan" begins production activities, volunteers and the kids know each other first, active atmosphere of the scene, and then introduced the various parts making the voice of the fan, and introduced by the use of various parts of the brain, heart, ears and other plain language. Volunteers then began to teach kids to use batteries, sensors, chips, blades and other parts connected to the production of "Micro Cooling Fan", and teach the kids to play to their imagination make the fan bracket. Children and science through the joint efforts of volunteers, one of various shapes voice fan was born. Just in front of the "ear" Sensor sound, "Micro Cooling Fan" would happily turn up, suddenly, the sound of laughter and activity room sets and sound into one.