The well loved steam engine d10 now complete with led lamp and dynamo enjoy playing with this and have fun learning how it works you will not only receive the popular d10 but also a dynamo with light the led light shines brightly when the steam engine is in operation you can even add further lights this set is an excellent value for money complete set which is fun and you learn a lot from it the line shaft m57 for example can be attached to the machine so it can power further item