Curious about how a material handler operates? If you know a young enthusiast of mechanics and engineering, they'll certainly be interested in this LEGO® Technic™ Material Handler (42144) designed for ages 10 and up. Bursting with playfulness, this mechanical model offers an inside look at the mechanics of this powerful toy vehicle, with both manual and pneumatic functions to discover. From sorting and piling to loading materials, there's plenty of action in this build. The pneumatic arm can reach an impressive 13 inches (35 cm) and the 'orange peel' style grapple opens and closes. Meanwhile, the upper arm can rotate 360 degrees, the operating cab can elevate, and the undercarriage system has steering and 4 outriggers for maximum mobility.