I need your imput!!

I am doing a presentation on the topic of "Soil" next week and I wanted something cute to go along with it and I found this:

What do you think? Do you think that these would be a good portrayal of different layers and types of soil? Yeah, thanks Pinterest, you're the best :)
This recipe comes from: http://veryculinary.comhttp://veryculinary.com/2011/03/22/oreo-stuffed-chocolate-chip-cookies/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:%20veryculinarycom%20%28Very%20Culinary%29

Recipe:

Oreo Stuffed Chocolate Chip Cookies
Makes 24 gigantic cookies
Prep: 25 minutes
Cook: 13 minutes
Ingredients
• 1 cup (2 sticks) softened butter
• 3/4 cup packed light brown sugar
• 1 cup granulated sugar
• 2 large eggs
• 1 tablespoon vanilla extract
• 3 1/2 cups flour
• 1 teaspoon salt
• 1 teaspoon baking soda
• 2 cups semi-sweet chocolate chips
• 1 package Double Stuff Oreo cookies
Directions
Preheat oven to 350 degrees.
In a large bowl, cream butter, brown sugar, and granulated sugar together with a mixer until well combined.  Beat in eggs and vanilla.
In medium bowl mix the flour, salt, and baking soda.  Slowly add to wet ingredients along with chocolate chips until just combined.
With a cookie scoop, form balls with the dough.
Place one ball on top of an Oreo cookie, and another ball on the bottom. Seal edges together by pressing and cupping in hand until Oreo cookie is fully enclosed with dough.
Place onto parchment or silpat lined baking sheets and bake cookies for approximately 13 minutes or until golden brown. Let cool for 5 minutes before transferring to cooling rack.

For Original Recipe website, check out the website above :)


Let me know what you think!!