Why not a portable coffee machine?

Go camping with your family, everything ready. Tent, carpet, chairs, trailer, table, water, food, mug, etc. Why not a portable coffee machine? A self heating espresso machine doesn’t need to use fire, it can heat up the water inself, after 4 minutes, you can enjoy a cup of wonderful coffee, which refreshes yourself in the nature, then enjoy your family day.

Camping espresso maker-YOUTUBE