Years ago -- before I arrived on the scene -- my aunt bought my sister a pop gun, the kind where a cork-on-a-string is expelled from a plastic barrel, making a loud >POP!<
Nearly caused a rift in the family until it "disappeared".
If you don't like someone, buy their kid a drum.
All the best,
Dan. (...in sympathy and empathy and suggesting earplugs or an early "loss")