1. Go swimming. Most municipal pools offer swimming lessons. Take your younger children to the pool, and have them learn how to swim. For older kids, who may already know how to swim, buy a swim pass to the pool. That way they can go and enjoy themselves. Family outings to the pool can be a fun (and cool) summer activity. For another water related activity, consider buying cheap squirt guns. These are a lot of fun, and they last...
