Classroom Catapult STEM Project: Students build their own mini catapults and test launch distance and trajectory. Activity fits within a single class period. Designed for classrooms, after-school programs, summer camps, and libraries. Complete Supplies for 5 Builds: Includes 55 craft sticks, 50 rubber bands, 5 Plastic Cups, 5 Foam cubes, 5 Adhesive pads. All materials are organized and ready to hand out — no additional supplies needed. Hands-On Physics in Action: Students adjust the fulcrum position to change launch trajectory, directly applying concepts of potential and kinetic energy, leverage. Encourages structured experimentation and critical thinking. Supports Independent Student Work: Step-by-step instructions allow students to build and test with minimal teacher intervention. Durable, Reliable Components: Craft sticks and hardware are designed to hold up through repeated launches. Consistent results across all student builds reduce troubleshooting time. This Catapult Kit provides complete supplies for 5 student builds, giving teachers a ready-to-run STEM activity with minimal prep. Students construct mini catapults and test how adjusting the fulcrum changes launch distance and trajectory — directly applying concepts of potential and kinetic energy, leverage. The kit includes 55 craft sticks, 50 rubber bands, 5 Plastic Cups, 5 Foam cubes, 5 Adhesive pads, with all materials pre-counted for easy distribution. Clear, step-by-step instructions support independent student work, making it manageable for a single instructor with a full class. Suitable for classrooms, after-school programs, summer camps, and libraries.