This nap time lullaby honors day care workers for the many small but important ways they demonstrate care and concern for children. http://handwashing.nmsu.edu/. Free MP3 files, curriculum activities, teacher guides and musical scores are available at the website above. Day care workers can use these eight fun songs and free classroom activities to encourage children and workers to practice better hand washing habits. ©2011 NMSU Board of Regents. Michigan State University, New Mexico State University, and Kansas State University cooperating with the U.S. Department of Agriculture. This material is based on work funded by the National Integrated Food Safety Initiative (NIFSI), United States Department of Agriculture (USDA), under Agreement No. 2008-51110-04365.