• 270 Kid K’NEX® pieces, including rods, connectors, eyes, and wheels • Build any one of 13 moving models, including eight at once • Allows children to explore gear action in addition to swinging, spinning, rotating, and linear motion • Includes 12 full-color correspondence cards • Comes complete with a large yellow storage tray with divider and snap-on transparent lid • Developed to be consistent with NAEYC’s Developmentally Appropriate Practices Ages 4-7.