Check out these 20 listening activities for 2 year olds! Listening helps your child understand the spoken language as well as discriminate sounds, rhythm, and pitch. More activities for and 5 year old children are linked.
Paper plates, Popsicle sticks, and a balloon are all you need to play Balloon Ping-Pong. (Not sure how sturdy the paper plates would be, but may be able to do something similar for a carnival/game night social event theme.