All of these tiles are 40x40 cm. Together the 12 x 9 (=108) tiles are an installation of 4,80m x 3,60m. But each of of them are available separately. It is a limited edition which will be painted only 20 times each. You can collect them and by one by one. There are series (Javascript must be enabled!!) of different ranges of colors available, where the combination of the symbolcolor and background changes. All of the tiles (Javascript must be enabled!!) are painted with high quality acryl colors from LASCAUX(Swiss) on canvas. Each one is signed, comes with an certificate and a unique serialnumber. The price is $30.-! each plus shipping. The whole installation with 108 tiles costs $3000.- also plus shipping.