abstract appearance appearances blocks child-care children's-toys color coloration colored colorful colors colour coloured colourful colours connecting fit fitting foam-rubber games learning mixed mix’n-match playing-blocks puzzles shape shaped shapes soft sponge-rubber tactile texture textures touch touching toys variations variety architecture block building flat flats high horizon house lines sandstone sky-scraper skyscraper storey tower wall window windows age-rings angles bark brown chopping coloring colouring crack cracked cracks cut cuts drying exposed firewood grooved grooves length lengths logs lopped orange perspectives rings rough sawn surface surfaces timber tree tree-block tree-rings trunk uneven wood wooden bardiche berdiche blade cutout hallebarde isolated pole pole weapon stick stop weapon balconies balcony blue concrete glass housing living sky triangles urban cobble cobbled cobbling granite natural pavement paving road rock rocks stone bridge center city crossing downtown Los Angeles office street autumn brick bricks cemetary defence grass hide historic old solid trees