Create a thrilling and adventurous roller coaster ride with these 22 Micro K'NEX Track Pieces. The yellow-colored 8" curved pieces are perfect for constructing a coaster with twists and turns that will keep you on the edge of your seat. These coaster parts are compatible with K'NEX sets and can be used to expand your existing track or to build a new coaster from scratch.Constructed from high-quality plastic material, these coaster parts are durable and long-lasting. The bulk/lot packaging makes it easy to get all the pieces you need in one go. Suitable for ages 7+ and recommended for ages 8+, these K'NEX coaster parts are perfect for young and old alike. Add these to your K'NEX collection and start building your own thrilling roller coaster ride today!