This is a solid 1 part version of the original explosive nerf dart. 

Assembly: glue the side that isn't hollow into a nerf dart that you are willing to take the normal tip off. step 2 take a fuseless firecracker/ adult cracker snaps Example: Super snap bangers. Bunker busters, red snappers, etc. and put one in the hollow tube that is sticking out. they work best with nerf guns that don't use a mag or rotating cylinder or belt. load and fire,