This K'NEX white wheel/gear is a perfect addition to your Thrill Rides roller coaster set. It is made of durable plastic material and is compatible with K'NEX products. With a recommended age range of 5+ years and an age level of 7+, this piece is great for kids and adults who love building toys.The piece is sold in a polybag packaging, and it is a standard K'NEX part. It is not a modified item, and there are no custom bundles available for this product. The color of the gear is gray, and it is manufactured in China. This piece is a must-have for any K'NEX enthusiast who wants to add some speed and excitement to their roller coaster set.