Okay kiddo, a zendrum is like a musical instrument that you play by hitting different spots on it with your hands or special sticks called drumsticks. It's kind of like a fancy version of a drum set because it has lots of different sounds you can make, like different drums or cymbals.
But here's the cool thing: with a zendrum, you don't actually hit physical drums and cymbals like you would on a regular drum set. Instead, the zendrum has special sensors that can tell when you're touching a certain spot, and it makes the corresponding sound for you.
So that means you can make all sorts of different sounds and rhythms just by tapping different spots on the zendrum with your hands or drumsticks. It's kind of like playing a really fancy video game, but with music instead of pixels!