Play Along will release a line of construction toys based on Batman and Justice League, to be called 'C3.'  Art Asylum will design and develop the construction sets, based on its Minimate small block figures.  The Batman line will launch with designs based on art from its core comic collections, with subsequent designs to be based on upcoming movies and the new animated series.  The JLA line will be based on the TV series currently being aired.   C3 will be launched in the fall of 2004.