Stimulate your child's imagination the fun way with the K'Nex imagine click & construct value building set ! with 522 classic K'Nex pieces, this building toy gives children a resource for learning and enjoying themselves at the same time. The K'Nex building system contains plastic rods and connectors that join up with a satisfying "click"! they can be assembled to create working vehicles, animals, moving structures, buildings, and just about anything else your child can imagine. With 35 included building ideas, the instructions manual guides young engineers toward amazing creations. This educational toy not only provides hours and hours of fun, it helps your child understand steam (science, technology, engineer, arts, and math) subjects. This amazing set helps in key points of a child's development: hand-eye coordination, fine motor skills, problem-solving ability, spatial awareness, and imagination! all parts are tried and tested and guaranteed to be durable, all K'Nex products meet the strictest quality and safety standards.