“Who Is Out There?” Peephole Periscope Lets Kids See What’s on the Other Side of the Door

When I was a kid, and barely three feet tall, I remember answering the door once (it was the pizza delivery guy) and getting a long sermon from my mom after that. It wasn’t because I gobbled a slice down before she told me we didn’t order the pizza; it also wasn’t because she was the one who had to go tell our neighbors that we got their pizza (and that I ate a slice) by mistake.