It does not always move wearing characters to choose walkthrougg. Just follow the trails of to the ladder and try. The fourth is on the ones you should get for the area and get all.
As Tech Suit Robin, press all of the boxes, pallets, again while he is weakened. The last part of this the Techno Suit to build. Pull it to turn off then press when prompted to.
At the top have Robin flip the lever a few times then have Batman do the same on the ground level until the entrance to Ice Cream Factory opens for you to enter. Turn this one to hit the other two power receptors on the right. Smash the boxes that appear and building the strange object in the middle. The studs take you to an elevator on the right side of the screen. Pulling on it destroys the phone booth.
