Know a kid who loves mechanics and engineering? They’ll love this LEGO Technic Material Handler (42144) construction truck toy for ages 10+. Designed for kids who love construction site toys. This LEGO mechanical toy gives a fascinating look at how a material handler vehicle really works. It has lots of manual and pneumatic functions, so kids can explore how this mighty crane toy sorts, piles, and loads materials for processing. 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 360 degrees, an elevating operating cab, plus a mobile undercarriage system with steering and 4 outriggers. LEGO Technic buildable model sets feature realistic movement and mechanisms that introduce young LEGO builders to the universe of engineering in an approachable and realistic way. 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. Contains 835 Pieces.