Discover the wonders of engineering through scientific exploration with engaging tools and hands-on activities! Introduce and explore all 6 simple machines as kids make amazing discoveries, design solutions to real-world problems and conduct investigations. Includes a lever board, wedge, pulley with rope and hook, cart with removable wheels, Archimedes screw, 4 barrel weights, 10 double-sided Activity Cards and a comprehensive Activity Guide. Size: 25.7 x 35.6 x 7.9 cm. Ages 5+.