Nerf 100-Dart Pack.

Available now in most toy stores and dept. stores is the Nerf N-Strike 100-dart pack. If you're out of ammo, this will be just the thing for you. There are two types of refill packs: Sonic Micro Darts (Whistler darts) and Streamline Darts (Clip System darts).  The packs comes with a N-Strike logo patch you can sew on to you jacket or any other clothes you have. One pack costs $24.99 on Toys'R'Us' webpage.

Links:

• Sonic Micro Darts                   
• Streamline Darts