Thank you for viewing! This is a set of 4 accordion-type connecting rails compatible with BRIO, IKEA, Thomas wooden rails, and more. The first photo shows everything included. A convenient item that allows you to freely bend the rails to create layouts! Useful when things don't quite fit. These parts are made with a 3D printer. ・Contents: 2 convex types, 2 concave types (4 total) ・Colors: Beige, Green (mix and match freely) *Please let us know your desired color combination after purchase. ・Material: PLA resin (environmentally friendly bioplastic) ・Compatibility: Compatible with BRIO / IKEA / Thomas wooden rails, etc. *Due to being a handmade product, there may be layer lines or slight color unevenness. *Please be careful not to bend them with excessive force, as they may break. BRIO BRIO Wooden Rail BRIO Compatible Accordion Rail Curved Rail Male Rail Female Rail 3D Printed IKEA LILLABO Thomas Wooden Railway Wooden Toy Train Toy Compatible Parts