LuMikkel

I found a mine full of TNT-blocks, which in this case is a very precious mineral. My mine is placed underwater in a pocket of air. I dig a block out and take it with me to a "meeting" where I try to sell it. To get out of the pocket of air, I must put tension in my back muscles and jump. This causes me to jump incredibly high, into the water above the pocket. At the meeting, other than the TNT block, I also show some other kind of TNT-"product" which is blue and can be split into more parts.
I give a block of TNT to a man as a gift and get another person to approach him, acting like the person wants to buy the TNT from him: "I don't have much, but can I get it for $50,000?". This is to trick the man into thinking the TNT is much more valuable than it really is, so that I can sell my TNT to him for way more than it is worth later.