Two very valuable aspects of coaching are preparedness and time management. Coming to practices with a written plan will allow you to effectively and efficiently run your practice, getting the most out of your players and assistant coaches.
Prior to every practice and game, coaches are required to do the following dynamic flexibility stretching from 8U and up. T-ball will do a modified approach.
Dynamic FlexibilityIf you are having issues writing or coming up with a practice plan, USA Baseball has a great "mobile coach" app for iPhones and Android smartphones.