About 8 years ago, I regularly purchased a monthly kit from a certain mail-order service, receiving one bag per month. I tried only one set and then left the rest untouched. As shown in the photos, it's a set of 12 kits + basic tools. The main components are unopened, but please consider that they have been stored for many years. Feel free to ask if you have any questions! I plan to ship this as is, using recycled packaging.