This LEGO Trains 9 V Transformer and Speed Regulator (4548) Controller is perfect for any train enthusiast.

It allows you to control the speed of your LEGO trains with ease, making for a more realistic and enjoyable experience.

This controller is compatible with 12V and 9V LEGO trains, and is a must-have for any LEGO train collection.

The LEGO Trains 9 V Transformer and Speed Regulator Controller is in great working condition and has been tested to ensure it functions perfectly.

It may show signs of use, but it does not affect its performance.

This controller is sold without a box, but will be carefully packaged for safe delivery.