It’s easy to forget sometimes just how much little kids have to learn, and how many things we take for granted that they’re experiencing for the very first time. One of weirdest and funniest ones we’ve never considered before? Novelty drinking glasses. You know the ones— they have liquid up the sides that makes it look like the glass is always full, sometimes with toy fish or other creatures stuck inside. What would a toddler make of one of those? We don’t have to guess; we can just watch this adorable clip from America’s Funniest Home Videos.