Mad Scientists At Work! All the mess, creativity and fun of Science brought to you each month at the Hudson Area Public Library! This will be a fun, interactive and scientifically spectacular event. There will be a demonstration by Mr. Chris, and then a related experiment that participants will be able to perform. Every 2nd and 4th Tuesday. Ages 5-9. This class is full but you can still get on the waiting list. Please call 715.386.3101.