Projection balloons are image display balloon device made of light weight plastic fabric material, is inflated with air or helium gas, where it has at least one projector positioned with a projector case inside. The main change is the balloon shape which is being called the pearl shape designed by the team which has bit of cylindrical shape from the exact spherical shape due to which effects of the joints of the fabric is eliminated from the surface of the projection.

Rear Projection Balloon

The projection balloon was used and demonstrated for the closing ceremony of the prestigious Kolkata International Film Festival 2013. It was used to display the gist of the activities conducted during the festival days to the visitors in the Science City Auditorium, Kolkata