Most of the time need to buy the blasters then u have extra part (like bipod fr stampede, firefly tech mag from rayven, n etc.) But sometimes if u r lucky u might find mission kit which bundled the parts together (like element blaster mission kit which comes with scope and dot sight, or dot sight with 5 darts, n etc.). Or buy second hand in ebay just fyi toys r us give free pin point sight for purchase of nerf blaster more than RM80 before christmas last year, and that pin point sight is the most rarest most wanted acc nowadays