Fairy Berries = Pkg of 10 for $19 / 5 pkgs (50 berries) for $90 ($18 pkg). Place these small 3/4" diameter clear balls everywhere around your party venue. On the lawn, in the garden, hanging from trees, shrubs and ceilings. Lasts 20+ hours.Their water resistant design allows for use in water features where they will float. Each one has a tiny glowing white LED that fades on and off slowly. Collectively, they produce a moving firefly or fairy light effect that is absolutely unique.