[3-in-1 Function] The Robotic Arm Edge Kit can freely change the working head: grasper, grab, suction cup. A variety of functions to meet your different needs. [Safe ABS Material] The hydraulic arm edge kit is a construction toy that is made of high-quality ABS material, BPA-free, non-toxic and safe, harmless for kids. [STEM Educational Toys] The STEM educational toy is designed to improve children's science, technology, engineering, and math skills, improve their imagination and creativity by building the robotic arm. [Amazing Gift for Kids] The robotic arm clamp claw mount kit is a highly recommended gift for Easter, birthday, Christmas, or parties, especially for kids aged 3+. We provide the instruction manual. Each step is explained in detail in the instruction manual, is easy for kids to understand to assemble. [Hydraulic Power Principle] The toy does not need electricity and a motor, as long as water can drive the mechanical arm. The advanced exploration hydromechanical technology allows you to enjoy the joy of operating a robotic arm. Material: ABS Color(Optional): Blue, Yellow Suitable Age: for 3+ Years Old Piece: 220pcs Product Size: 46 x 26 x 30cm/18.1 x 10.2 x 11.8 in(L x W x H) Package Size: 40.5 x 10.5 x 29.5cm/15.9 x 4.1 x 11.6 in(L x W x H) Note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2. Please allow slight dimension difference due to different manual measurement. Thank you for your understanding. Parts List: 220 x Assembly Accessories 1 x Instruction Manual