The product is a lot of 55 blue 7-way 3D connectors designed for K'NEX building toys. These connectors are part of the Thrill Rides product line, featuring a roller coaster theme. Made of plastic and packaged in a polybag, they are compatible with other K'NEX products and are suitable for ages 8 and up. These connectors offer a bulk/lot feature and are manufactured in China. Perfect for creating intricate and exciting roller coaster structures with your K'NEX set.