colorful falling blocks game banner on blue background, playful scene of color blocks with starry night sky, .

font text line brand screenshot diagram design presentation cartoon circle number pattern drawing toy advertising art document poster logo bright colorful falling blocks arranged gamelike blue background stars vector color game board stacking playful scene banner wallpaper cover vibrant star night sky whimsical children classic fun atmosphere formation placeholder black bold outline dot decoration arrangement geometric square seamless symmetrical mosaic puzzle layout modular interactive building elements creative pixel tetris