The game idea is funny. However, the time limit is too short and there are too many children! If there was some way to kick them out of the room, it would be more fun (maybe bonk them with candy?). You already know about the awkward controls.
I like the idea to bonk them with an item! Maybe I can have rewards when the player closes a box and give them x amount of a tossing item that can work to take down the kids. Many thanks for the feedback!