Contents: 6 2200 straight track, 2 no. 2221 curved track, 1 pair no. curved turnouts the same as 2267 but with hand levers, 1 no. 2290 feeder track, instructions.
With this extension set a K Track starter set can be expanded to include a passing siding or spur tracks with curved turnouts. Has limited uses with the 29865 K Track starter set.