Don’t let the paper towel/plastic wrap drop all the way into the bottle.
Be very careful when shaking the bottle because it could potentially explode in your hands. Take the proper precautions.
If you need help getting the object through the center of the Mentos, you can gently tap it with a hammer to push it through. Be careful not to hurt yourself. You can also try tying the string or floss around the Mentos rather than through it, but be sure it’s tied very tightly.
Don’t let the plastic bag drop all the way into the bottle.
Be very careful when shaking the bottle because it could potentially explode in your hands. Take the proper precautions.