The KNEX CHAIN LINK is a set of 100 plastic chain links designed specifically for roller coasters. Made by the brand K'NEX, these black links are compatible with other K'NEX products and are perfect for creating intricate roller coaster designs. This bulk lot of 100 pieces is ideal for enthusiasts looking to expand their collection or create new and exciting roller coaster structures. These chain links offer endless creative possibilities for roller coaster enthusiasts of all ages. *825
eBay