From here on, the Sign Challenge piece will be worked on in bits and pieces. I walk by the sculpture many times each day, often stopping for a moment to figure out which piece will come next. When I have a few minutes to spare I add that piece of the puzzle. I decided to start at the top and work my way down. The motorcycle and two riders were first on the list. Each piece is done in two or three stages starting with a rough sculpt over a wire frame. After that sculpt cures and the figure is stabilized a second detailed coat of sculpt is applied. The bike was detailed out first and then the teen alien girl. The guy alien has been roughed out in readiness for the final sculpt.