Push-fit Scalextric track for quick & easy circuit building Connect modern Scalextric track to original track (which has ring-shaped connectors) using the C8222 Converter Straight Shown with C8281 Radius 3 Inner Borders 225&176; & C8224 Radius 3 Curve Outer Borders 225&176; (not included) CONTENTSRadius 3 Curve 225 degree x 2