Take it, make it a Springbot, and use it to jump up to the ledge that is to the left. Take that new Gadgebot you find up there, make it a Powerbot, and power the generator that's near the door. Head ...
Then, take the last unchanged Gadgebot and turn him into another Springbot, putting it in front of where the gold bolt is. Then, go back into the last room where we fought the Warbots and pick up the ...