This is a cool, STEM related, back to school or first day of School Activity. This activity is great for all students especially grade 5 or higher. It is easy to perform and kids have lots of fun with that. Students will be in groups of 3 or higher and will build a freestanding tower made up of index cards. This activity challenges students to really think and apply critical thinking skills and enhances team building especially back to school. In this activity, color file can be uploaded on smartboard, iPads, or in print out form. This activity includes, clear goals, various designs, materials, instructions, rules, and activity card includes. Just print it out and you are all set. Activity card can be manipulated in many ways with different students.