Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Seems to have a design flaw

I thought this looked like so much fun, but I'm really disappointed. When the balls pop out they either come back down on the edge of where they came out and fly across the room or, as they come down, another ball is coming out and they hit each other and both fly across the room. Within five seconds, every ball is out of the ball popper and the baby is left there waiting for something to happen. When he realized the show is over, he crawls off unamused.