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Keep it simple with real STEM learning. Discover amazing engineering wonders through scientific exploration with colorful, engaging tools and hands-on activities and experiments. Introduce and explore all 6 simple machines as you make amazing discoveries, design solutions for real-world problems, and conduct your own investigations. Includes a lever board, wedge, pulley with rope and hook, cart with 4 removable wheels, Archimedes screw, 4 barrel weights, and 10 double-sided Activity Cards to build early engineering and problem solving skills. Comprehensive Activity Guide with reproducible materials is also included. Largest piece (cart) measures 5" L x 3.5" W.