These "Little Hands...Big Ideas" STEM Challenges were designed especially for Pre-K, kindergarten, and Grade 1.Using everyday, easy to obtain materials, each challenge in this series will allow young learners to practice hands-on problem solving, critical thinking, and collaboration...all while coinciding with the alphabet letter of the week!Each unit includes:NGSS standardsDetailed teacher directionsMaterials listHelpful hintsAny needed props/cutoutsDifferentiated drawing/writing student pagesS