Transformers Decepticon Light Up T-Shirt - Childrens 9-10 years. Transformers The Movie is one of the biggest releases of 2007 with award winning director Michael Bay and Co Producer Steven Spielberg …. Show your ultimate allegiance to the forces of the Autobots or Decepticons. The Autobots have arrived on earth to fight off the evil forces of the Decepticons.The Light Up Transformer shirts are one of the most exciting t-shirts available! When switched on they totally transform from a normal T-Shirt to a fully functional light up T-Shirt that glows, illuminates and flashes in different sequences.