Discover Engineering wonders through scientific exploration with engaging tools and hands-on activities! Introduce and explore all 6 simple machines by making amazing discoveries, designing solutions for real-world problems, and conducting 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. Largest piece (cart) measures 5?L x 31/2"W. Learning Skill: Engineering Recommended Ages: 5 Years And Up Measurements: 3.1 Height/Inches, 10.1 Length/Inches, 10.1 Width/Inches Assembly: Assembled Base Material: 100% Plastic Care: Wipe Clean Country of Origin: Imported