If you leave a box or sack on the floor, a cat will jump in.
If you leave a bigger box on floor, a kid will jump in.
And if you leave a large hole in the back yard, TNT's angry weather gods will fill it.
An 8x10' storage shed is arriving Friday, so I'm preparing a 10x12' foundation pad for it today. A thunderstorm struck just as I finished excavating the 4-6" deep hole.
Empty hole:
5 minutes later