Technic Material Handler 42144Curious 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