Costco Members: 835-Piece LEGO Technic Material Handler (42144)

Pneumatic functions include a movable arm with an impressive reach of approximately 13 inches (35 cm), plus a classic 'orange peel' style grapple that opens and closes. Manual functions include an upper arm that can rotate through 360 degrees, an elevating operating cab, plus a mobile undercarriage system with steering and 4 outriggers.
This LEGO® Technic™ construction site toy measures 12.5 in. (33 cm) high, 15.5 in. (40 cm) long and 6.5 in. (17 cm) wide