I really like this approach. I like too include physical interactions in all the facilitation that I do, it makes the concept super clear. Try to cover all the

I really like this approach. I like too include physical interactions in all the facilitation that I do, it makes the concept super clear. Try to cover all the possible scenarios when you are planning it out, what happens when multiple miners create a block at nearly the same time? Be sure to grab a few friends and test it out first, try to predict what kind of questions people might ask. Good Luck!