LEGO Technic: Material Handler - 835 Pieces (42144)

Do you have a budding engineer? Give them a chance to tinker, play, and learn with the LEGO Technic: Material Handler set. Packed with 835 pieces, it lets kids construct a detailed material handler, complete with pneumatic features like movable arm and opening and closing grapple. It also has manual elements like a rotating arm and opening cab for role-playing fun.