The StarWalker Cool Blue was already announced in 2004 but only actually came into trade in May 2007. The intense blue colouring acts in the original more vigorously and partly slightly translucent, which on photos is hardly reproducible. The price premium of around 100 euros over the Resin model results from the more elaborate manufacturing process of the coloured variant. A sound technical justification of the price difference is not provided by the manufacturer.