Unfortunately (or fortunately for them in this case), none of my grandparents are alive right now. I can't IMAGINE what my grandmothers or grandfathers would have done if I had pulled this prank on them. I'm pretty sure my one grandma would have had a heart attack as soon as the group of men started shooting and the other would have yelled at them to stop. Thankfully as you will see in the video, grandma's car turns out better than new!

Watch the "Behind The Scenes" footage here: