Are you interested in a large grade-specific STEM Bundle? And, if you are, then you might need a list of the materials that will be needed for the challenges! This free download is for you!This download is a listing of the materials for each of the three grade-specific bundles. I also included a listing showing the suggested levels of the challenges based on the ease of use. Each listing also lets you know which other large bundles these challenges might be included in.Materials lists are alphab