The largest marbling painting measures 30.75 m (100ft 88 in) long x 1.5 m (4 ft 92 in) wide and was constructed by Forum Trabzon and Mr. Ali Senturk (Artwork teacher of KAL). It was prepared at the GWR Live! Roadshow at Forum Trabzon, in Trabzon, Turkey, on 28 May 2010.

The painting had a recognizable image/text in arabic which was: LA ILAHE ILLALLAH MUHAMMEDÜN RESULULLAH. This means in english: There is one god. Mohamed is his prophet/ambassador.
It took 3 months to prepare the painting and 110 persons helped in completing it.