a police-and-thief-safe safe to hide money or whatever in your car or house or ...
Step 1: Material
Step 2: Inner part
cut out of cardboard this form , 2 mm smaller than original pack
glew it , so it fits inside the pack , just sliding
Step 4: Filter
glew filters into inner box and the smaller cardboard-bit as a support .
Step 5: Finish
add all the filters , original front-cartboard and back-silverfoil as in an original pack
Step 6: Open safe
put thing into pack
Step 7: Closed safe