This hydraulic robotic arm model is a fantastic educational tool for kids interested in STEM. The DIY kit includes all the wooden parts and hydraulic components needed for assembly. As children build the robotic hand, they gain hands-on experience with engineering concepts and hydraulic systems. The completed model can perform lifelike movements, making it an engaging way to learn about robotics and mechanical engineering. Features -Color:Beige -Material:Wooden,plastic -Size:30.00X12.00X1.00cm/11.79X4.72X0.39in -Hydraulic mechanics: features hydraulic technology to replicate the real movements of a mechanical arm, adding educational and entertainment value. -Diy assembly kit: the wooden mechanical hand model offers a diy assembly experience, fostering creativity and skills in children. -Realistic : the closely mimics human arm movements, making the mechanical hand more lifelike and engaging. -Educational benefits: functions as both a toy and an educational tool, helping children understand mechanical and technological concepts. -Enhances manual skills: on improving children's manual dexterity and cognitive abilities through the process of building and playing. Package list: 2 arm model