Toy Model Ornament Of Hydraulic Mechanical Arm This build-it-yourself hydraulic robot arm is a space-age device that'll help you do all manner of household tasks using its gripping and sucking functions. Make the base and wrist rotate or use the shoulder and elbow motion, and use the lever controllers to make it pick things up and put things down! No batteries or motor are required as it's hydraulics do all the work.This buildable toy is wonderful for children and adults alike. Features: A tactile, real-world way to get your kids interested Powered by hydraulics! No batteries or motor required! Vertical reach of 41.5 cms and extends past 30 cms horizontally Lifting capacity of 50 gms. A challenge for engineer enthusiasts! Wrist rotation – 180 degrees Wrist mobility – 98 degrees Base Rotation – 270 degrees Shoulder motion – 45 degrees Elbow motion – 44 degrees Inclusions: 1 * toy set Ages: 10 and above. Not suitable for children 3 years and under due to choking hazard