Kiso - Concrete ashtray divided into 3 compartments for smokers to smoke even by the stairs haha. For non-smokers, the compartments can be used for stationary or those little things you use in life like coins. Each piece is designed and handmade in Japan by Nobuhiro Sato and ash sands are included. Geometric. Maze. Looks like something from M.C. Escher. Awesome. Click here to get yours.