Start your worm composting with this bag (8×12) filled with red wigglers and european night crawlers with some of the vermi-compost to jump start your bin. There will be a mix of a lot of babies, juveniles, and adult worms maybe even some cocoons. This is a great economical way to get started fast at a very low cost. In just a few short weeks your worms will grow out into a massive amount of large worms.