This catapult kit is a handson STEM learning tool designed for students, homeschoolers, teachers, and classroom use. It provides a clear, repeatable way to explore basic physics concepts while encouraging critical thinking, problem solving, and creativity. Key benefits STEMfocused learning: Designed for use in science and engineering lessons to demonstrate projectile motion, energy transfer, and simple machines in a tangible way. Durable components: Sturdy parts are built for repeated assembly, launching, and modification so the kit can be used across multiple lessons and activities. Compact and portable: Small, easytostore pieces simplify classroom setup, transport to extracurricular activities, and home use. Easy to modify: Allows students and educators to adjust and experiment with the design to test variables such as angle, payload, and release method. Safe and educational: Intended for supervised classroom or home use, supporting structured experiments and guided exploration. Function and compatibility Function: Assembly of a working catapult that can be launched, observed, and adjusted for experimental learning. Compatibility: Suitable for classroom curriculum use, homeschool lesson plans, science clubs, and extracurricular STEM projects. Size and storage: Compact kit size makes it convenient for individual student kits, small group work, or shared classroom sets. Material and performance: Constructed from durable components to withstand repeated use and classroom handling while providing reliable launch performance for experiments. Practical use scenarios Classroom physics lab: Use the kit for a unit on motion and forces to have students record launch distance, measure angles, and analyze results for a lab report. Homeschool or weekend project: Familyfriendly assembly and testing sessions that reinforce scientific methods and collaborative problem solving. Science club challenge: Small teams modify the catapult to maximize distance or accuracy and present experimental results and design changes. What teachers and educators gain A reusable demonstration and handson activity that fits into lesson plans and supports assessment of practical skills. An adaptable tool for promoting inquiry, data collection, and iterative design thinking in students. A compact resource that can be stored and deployed quickly for individual or group experiments. This catapult kit provides a practical, durable, and portable way to bring physics and engineering concepts to life through handson experimentation and guided discovery.