This K'NEX lot includes 2.5 pounds of assorted parts for building toys, specifically a roller coaster and a Ferris wheel. The multicolor pieces allow for endless creativity and imagination, suitable for ages 13+. The product line offers a variety of options for building and constructing, with a theme centered around Ferris wheels. Perfect for those who enjoy hands-on building and building toys, this lot is sure to provide hours of entertainment and fun.