abstract backdrop background design paint patterns regular shape shapes silver stripes structure structures symmetric texture textures triangle triangles triangular turnery architecture berlin building business city glass house modern office offices shaped tower urban window windows work workplace appearance blended bright color colored colorful colors colour coloured colourful colours decorative details geometric geometrical interconnected interwoven knitted light lines multicolored multicoloured perspectives style textured thick thin vibrant wallpaper weave woven blue bubble bubbles children circle circular fly flying multiple play playing round sky soap toy toys water with blow fun appearances blocks child-care children's-toys coloration connecting fit fitting foam-rubber games learning mixed mix’n-match playing-blocks puzzles soft sponge-rubber tactile touch touching variations variety