The Nappa Silver Award-winning set allows kids to design and create 10 impressive moving machines with LEGO pieces. It includes a detailed 80-page instruction book, 10 modules with instructions, plastic balls, string, paper ramps, and more. With over 30 essential LEGO elements, this set is recommended for children ages 8 and up. Let your child’s creativity soar while they learn new building techniques and have fun with this exciting and educational set.