Are you looking for a bundle of affordable STEM labs for your science class? This bundle has 38 files worth of field tested labs. All include materials list, worksheets, and field pictures! You can cover earth science, chemistry, biology as well as other topics with this package. The bundles cover an entire semester of general science content, and all are field tested. You can cover all the labs for a semester with this bundle. I designed these for use with common household materials, and all w