This is one of my favorite project.
This project is a mixture of some technologies: Mapping Projection, Capacitive Sensors, Touch Screen and Vending Machine.
We had a 4x3m wall with a cutout Adesive representing the products of our client (Dow Agriscience) for plantation. When the user touch on the adesive a a mapping projection is displayed . After the projection a monitor embedded int he wall is turned on and a Quiz is shown. After the quiz according with the answer the user get a gift delivered by a vending machine
This project we user local Network trigger to connect each step of the project