Specification: * 700 pieces of colorful and durable parts, including connectors, gears, axles, and more * Perfect for building complex structures, vehicles, and machines * Encourages creativity, problem-solving, and STEM skills development * Great for kids and adults alike, makes a fun and educational gift Build anything you can imagine with the Knex 70 Model Building Set! This comprehensive set includes 700 pieces of colorful and durable parts, including connectors, gears, axles, and more. With endless possibilities for creativity and construction, this set is perfect for kids and adults alike. Build complex structures, vehicles, and machines, and challenge yourself to create something new and exciting. Develop problem-solving skills and learn about STEM concepts while having fun. Make a great gift for any occasion!