COMMAND SWITCH FeaturesFlawless, non-derailing function allows trains to keep running regardless of switch positionAuxiliary power and TMCC(tm) (ASC and SC-2) terminals are conveniently located under the roadbed base, making all connections invisible from aboveRealistic illuminated switch lanternLantern base is interchangeable, can move to the right or left side Dimensions: Length: 14 1/2" straight/22 1/2-Degree turnout w/ Removable 1 3/8" extensions WARNING: CHOKING HAZARD - SMALL PARTS! NOT INTENDED FOR CHILDREN UNDER 3.