Recipes pack.

1. Cough syrup recipe.
2. Non-drowsy cough syrup recipe.
3. Add possibility to use duct tape in land mine recipe.
4. Allow land mines disassembly.
5. Spring recipe.
6. Rebar recipe.
7. Jumper cable recipe.
8. Coal recipe (from coal pallet).
Uh, real Nyquil isn't an opiate.  Rivet's right: poppy-cough might be a better idea.  (And feel free to give them better names while you're at it.)