Kids can only take in so much information at any given time. You don't need fancy equipment. Keep it simple. After all, your child just wants to spend time with you. Like any great adventure, planning it is three-quarters the fun.
Fishing is the same way.
Quality fishing equipment is important to ensure that everyone has a positive, frustration-free experience. It's a fact of life. Kids have short attention spans. First off, plan ahead. Check the forecast for bad weather.