Worm Bombs: Ball of Garden- Boosting, Composting Worm Cocoons Ready-to-Hatch Worm Cocoons encased in protective, worm-edible material Hatchling worms more easily adapt to moisture, soil and temperature conditions. Unlike adult worms, they bloom where planted. Six (6) hearty, composting species are included in each Worm Bomb. Provide beneficial microbes to soil for bigger healthier plants Earthworms create water-saving channels directly to plant roots