The hydraulic robotic arm kit is designed to be both educational and fun. Ideal for science projects or as a classroom tool, this model kit helps kids grasp of robotics and engineering. The assembly process is straightforward, involving the fitting of wooden parts and the installation of a hydraulic system. This hands-on activity not only enhances problem-solving skills but also introduces children to the fascinating world of STEM. Features -Color:Beige -Material:Wooden,plastic -Size:30.00X12.00X1.00cm/11.79X4.72X0.39in -Realistic movement: features hydraulic technology to replicate the authentic motion of a mechanical arm, adding a layer of realism and excitement - learning: the wooden diy assembly kit encourages learning, promoting creativity and fine motor skills in children - design: the of the mechanical hand closely imitates human arm movements, providing a lifelike experience -Stem education: functions as an educational toy that introduces children to stem concepts, particularly in mechanical engineering and hydraulics -Skill development: on enhancing children's practical skills and cognitive abilities through engaging and educational play Package list: 4 arm model