These are made with upcycled window screen and tea lights. you need old window or door screening, clear plastic bottle bottoms and tealight Cut the screen into the shape of a flower add your tea light or battery operated one.
Secret to great LEAF Casts.use Vinyl patio patch instead of just concrete. Find it wherever fine construction supplies are sold. Additives in patio patch make it easier to work with not so prone to breaking after they are fully cured.