Old photo: Children on a slide

Here is item #3 of 8 from the Dover Township yard sale. It's a 4¼-inch-wide snapshot of eight young children gathered around a playground slide. No date, no identifications, no nothing. If we assume this is around the same age as the real photo postcards in this batch of ephemera, then this picture is around 100 to 110 years old. In the background I note that there's a farm and what appear to be some picnic baskets on wooden tables.

And that's it. Here's a closer look at the kids...