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 C8282 Radius 4 Inner Borders 225&176; & C8238 Radius 4 Outer Borders 225&176; (not included) CONTENTSRadius 4 Curve 225 degree x 2