Integrate fun and entertainment while enriching your child’s learning capabilities with the K’NEX Education® Intro to Simple Machines: Wheels, Axles, and Inclined Planes Set! This educational engineering toy consists of 221 colorful parts and pieces made of durable plastic. These pieces can be combined to build 7 fully functioning replicas of real-world machines one at a time. Let your students’ imaginations expand as they create their own inventions with this building set! K’NEX Education® Intro to Simple Machines is designed to introduce students to basic scientific concepts as they create two types of simple machines: wheels and axles and inclined planes.