Do your kids love learning all about Aliens (or Extra Terrestrials)? Mine sure do! This pack of five STEM Challenges is all about Aliens! This pack contains these 5 challenges: Can you create and build your own species of alien flower? Materials Needed: (per class of students)- assorted colors of pipe cleaners - colored construction paper - assorted items (like q-tips, cotton balls, foam sheets, etc.) - assorted craft materials (pom pon balls, feathers, ribbons, etc.) - paper cups (optional