Spring and summer are lovely, except when the humidity is unbearable, the pollen count ridiculous, and the temperatures scorching. Some days you just need an indoor activity, preferably one where the kids can burn off ALL that energy. We had one of those days. And this is what we did: balloon tennis. It couldn't be simpler. All you need is a latex balloon and tape as well as a disposable paper plate and jumbo wooden craft stick for each player. Simply tape the craft stick to the paper plate…
