Set sail with real STEM learning! Young learners can dive into early physics in a fun, colorful way with this two-piece submarine and floating raft along with weights, balls, and stars to bring investigations to life. This set also features 10 detailed activity cards (with over 20 engaging, high-impact activities) that cover all aspects of STEM, plus key science concepts of buoyancy, density, and more! Comprehensive activity guide with reproducible materials is also included.**Largest piece (submarine) measures 6’L x 3 1/2 ‘H**Age 5+**Grade K+