Ignite Young Minds with the Smartivity 2-in-1 Hydraulic Launcher Unleash curiosity, creativity, and hands-on learning with the Smartivity 2-in-1 Hydraulic Airplanes & Darts Launcher - a perfect blend of STEM education and play. Designed for children ages 6 to 14, this dynamic DIY kit lets kids explore physics, hydraulics, mechanics, and aerodynamics while building their own working launcher and flying paper planes or soft darts. Key Features & Benefits Build-It-Yourself STEM Experience Includes all components - precision-cut wooden pieces, syringes, rubber bands, and paper plane templates. Step-by-step, full-color instructions make assembly easy with no tools or glue required. Real Hydraulic Power Kids fill the syringe with water, apply pressure, and launch planes or darts. They learn how hydraulic systems work and why force, angles, and design affect flight. 2-in-1 Play Modes Switch between launching paper airplanes and soft darts. Children can test different designs and power levels for endless experimentation. Educational and Fun Encourages problem-solving, spatial reasoning, analytical thinking, and an understanding of basic physics - all through active play.