The small H0-scale crane has been a popular model in Märklin catalogs since 1956. The crane arm could be adjusted to different positions and with it's crank handle, the crane hook could be lifted and lowered.
With this ability to operate, albiet by hand, the play-value of many starter sets was increased. 50 years on and this traditional model has now come into its own. Digital control and Piezo-electric motors allow dreams of kids and adults to be realised. No you can shift loads on any part of your layout even where you cant usually reach by hand.
The crane can turn left and right, boom can be raised and lowered and the hook can be also raised and lowered on it's wire.
The movement speed can be controlled too via the DCC cab controler. The crane houses a DCC digital decoder and thus all the crane functions are accessed via your normal DCC controller.
Check out this video that shows the capabilities of the crane. Click on the image below.
Big pleasure for a small price. The crane car set 46715 with digital functions - EUR 99!