The K'nex Education Energy, Motion, and & Aeronautics set teaches concepts and activities that are fashioned around rigorous content and national STEM standards. It challenges students as they investigate, problem solve, and evaluate scientific and design principles. Recommended for grades 5-9, this set supports six-nine students working in teams and includes over 1,400 pieces. Packaged in a large storage tub with lid. Includes building instructions and a teacher's guide.