Little Urchin Crochet Covered Sea Stones - the purl bee. Tutorial for making this awesome crochet covered rocks. Now just need to get some smooth flat rocks. Maybe it's time to schedule a vacation on a beach.
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.