Mould King 17046 Manitowoc 16000 Crawler Crane Building Set - 4,494 Pieces Construction Toy for Adults & Kids | STEM Educational Gift for Engineers, Collectors & Hobbyists | Perfect for Birthday, Christmas & DIY Projects

It has fully functioning boom, jib and crane mechanisms, not to mention its 360 degree rotation and crawler function. It even has a moving counterweight on the rear to ensure the superstructure will never fall over!

Dimensions: 

81.1cm x 36cm x 100.9cm
31.9in x 14.2in x 39.7in 

Key Features:

• Over 4400pcs
• Over 1 Meters Tall
• Fully Remote Controlled
• 5x Large High Torque Motors
• 1x High Capacity Battery Pack
• 1x Remote Control
• Remote Controlled Front/Back/Rotation Crawler Movement
• Remote Controlled 360 Degree Superstructure Spin
• Remote Controlled Boom Extension and Up/Down Movement
• Re mote Controlled Jib Extension and Up/Down Movement
• Remote Controlled Lifting
• Building Instruction Booklet included