Measures 2 ft. long Authentic replica of the iconic John Deere construction equipment 3 working hydraulic cylinders and pistons, and moving arm with three points of articulation Accurate model features moving treads and a cab that swivels and rotates 360 degrees Build time between 3-5 hours Ages: 10+ Constructing this John Deere Excavator w/ Hydraulics Construction Set, licensed by John Deere, requires a precise hand and curious mind. If you know a young thinker, challenge them to tackle this building project solo, or go in as a team and bond over the exciting process of building something new. Either way, prepare for a tough task. The John Deere 380G Excavator is set at a complexity level of expert, with a build time between 3-5 hours. While difficult, curious minds will learn how rewarding it is to construct something as impressive as this model. The excavator comes with 3 working hydraulic cylinders and pistons, and an arm with three points of articulation that showcase the power of pressurized water.