Seriously, check out the dazed, stupefied look the kid on the left is sporting, while her sibling tries desperately to somehow open the giant bottle with a spoon. Both can be explained by the fact that Ayer's Cherry Pectoral, a self-proclaimed cure-all for any throat or lung problems, contained opium.
Yeah, don't wait for Mommy and Daddy to pry open the 50-gallon drum of opium juice, young Sally. We'll show you how to get the lid off with common household utensils. Just don't depend on little Mary for help -- she'll be spending the next three days marveling at how the whole world seems to be covered in fur.