Here is another object lesson from my friend Brent, a former Seminary teacher: "This isn't so much of an object lesson, but the kids really responded to this.

Because this lesson uses live flame, it is best done out of doors at camp or family home evening.

Prepare some dominoes for an object lesson (or something that could be used in place of dominoes). On the first domino attach the label, Prayer.

Play the game "Don't Get Poisoned." Set a folding chair in the middle of the classroom. On one piece of paper, write alcoholic drinks, and on another piece of paper, write tobacco.

Shows a simple object lesson that visually demonstrates the principle of repentance, using an egg and a crayon.

Here's a video demonstration of this object lesson that uses the principle of refraction to teach that being filled with the Holy Ghost helps us make wise choices.